Problem: Given the question: Information:  - Bobbi Kristina Brown ( March 4 , 1993 -- July 26 , 2015 ) was an American reality television and media personality , singer , and actress . She was the daughter of singers Bobby Brown and Whitney Houston . Her parents ' fame kept Bobbi Kristina in the public eye , including her appearances on the reality show Being Bobby Brown . Brown was 14 when her parents divorced and Houston gained custody . When Houston died in February 2012 , Brown was named as the sole beneficiary of her mother 's estate . That October , Brown caused controversy within both of her parents ' families when she announced her engagement to Nick Gordon , a man she previously considered her `` big brother '' . When the couple announced they were married , her father 's lawyer released a statement disputing the report . Brown was found unresponsive in a bathtub in late January 2015 . Brown was kept in a medically induced coma for several months ; she died in hospice care on July 26 , 2015 at the age of 22 .  - Reality television is a genre of television programming that documents supposedly unscripted real-life situations, and often features an otherwise unknown cast of individuals who are typically not professional actors, although in some shows celebrities may participate. It differs from documentary television in that the focus tends to be on drama, personal conflict, and entertainment rather than educating viewers. The genre has various standard tropes, including "confessionals" (also called "talking heads" or "interview segments") used by cast members to express their thoughts, which often double as the shows' narration. In competition-based reality shows, a notable subset, there are other common elements such as one participant being eliminated per episode, a panel of judges, and the concept of "immunity from elimination."  - Genre (or ; from French "genre" , "kind" or "sort", from Latin "genus" (stem "gener-"), Greek , "gés")   - Whitney Elizabeth Houston (August 9, 1963  February 11, 2012) was an American singer, actress, producer, and model. In 2009, "Guinness World Records" cited her as the most awarded female act of all time. Houston is one of pop music's best-selling music artists of all-time, with an estimated 170200 million records sold worldwide. She released seven studio albums and two soundtrack albums, all of which have diamond, multi-platinum, platinum or gold certification. Houston's crossover appeal on the popular music charts, as well as her prominence on MTV, starting with her video for "How Will I Know", influenced several African American women artists who follow in her footsteps.    Given the information, choose the subject and object entities that have the relation of 'ethnic group'.
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The answer is:
bobbi kristina brown , african american


Problem: Given the question: Information:  - St Johns railway station is on the South Eastern Main Line in the United Kingdom, located in the London Borough of Lewisham, in south-east London. It is down-line from and is situated between and .  - The Chatham Main Line is a railway line in England that links London Victoria and Dover Priory / Ramsgate, travelling via Medway (of which the town of Chatham is part, hence the name).  - The North Kent Line is a railway which runs from a junction of Britain's South East Main Line, east of St Johns railway station, Greater London to a point south-west of station by the River Medway in Medway where it links to the Chatham Main Line and where services usually terminate at Gillingham or closer at Dartford along the north coast/estuary. The London terminus is Charing Cross station.  - Kent is a county in South East England and one of the home counties. It borders Greater London to the north west, Surrey to the west, East Sussex to the south west, and Essex across the Thames Estuary to the north. The county town is Maidstone.   - The Hoo Peninsula is a peninsula in Kent, England (United Kingdom) separating the estuaries of the rivers Thames and Medway. It is dominated by a line of sand and clay hills, surrounded by an extensive area of marshland composed of alluvial silt. The name "Hoo" is the Old English word for "spur of land".  - A marsh is a wetland that is dominated by herbaceous rather than woody plant species. Marshes can often be found at the edges of lakes and streams, where they form a transition between the aquatic and terrestrial ecosystems. They are often dominated by grasses, rushes or reeds. If woody plants are present they tend to be low-growing shrubs. This form of vegetation is what differentiates marshes from other types of wetland such as swamps, which are dominated by trees, and mires, which are wetlands that have accumulated deposits of acidic peat.  - Gravesham is a local government district with borough status in north-west Kent, England. Its administrative centre and largest town is Gravesend, which was known as "Gravesham" in ancient times.  - The River Medway is a river in South East England. It rises in the High Weald, Sussex, and flows through Tonbridge, Maidstone and the Medway conurbation in Kent before emptying into the Thames Estuary near Sheerness, a total distance of . About of the river lies in Sussex, with the remainder being in Kent.  - Higham is a large village, and electoral ward bordering the Hoo Peninsula, in Kent, between Gravesend and Rochester. The civil parish of Higham is in Gravesham district and as at the 2001 UK Census, had a population of 3,938, increasing slightly to 3,962 at the 2011 Census.  - Hoo Junction is a rail yard on the North Kent Line , near the village of Higham , Kent and Shorne Marshes , operated by DB Schenker . It is between Gravesend and Higham stations , at the junction with the freight - only single - track Hoo branch to the Hoo Peninsula .  - Dartford is the principal town in the Borough of Dartford, Kent, England. The town is situated on the border of Kent and Greater London, bordering the London Borough of Bexley. It also borders the Borough of Thurrock, Essex, via the Dartford Crossing of the River Thames and Gravesham to its east.  - Medway is a conurbation and unitary authority in South East England. It had a population in 2014 of 274,015. The unitary authority was formed in 1998 when the City of Rochester-upon-Medway amalgamated with Gillingham Borough Council and part of Kent County Council to form Medway Council, a unitary authority independent of Kent County Council.  - Silt is granular material of a size between sand and clay, whose mineral origin is quartz and feldspar. Silt may occur as a soil (often mixed with sand or clay) or as sediment mixed in suspension with water (also known as a suspended load) in a body of water such as a river. It may also exist as soil deposited at the bottom of a water body. Silt has a moderate specific area with a typically non-sticky, plastic feel. Silt usually has a floury feel when dry, and a slippery feel when wet. Silt can be visually observed with a hand lens.    Given the information, choose the subject and object entities that have the relation of 'instance of'.
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The answer is:
hoo junction , railway station