Definition: In this task, you are given a context, a subject, a relation, and many options. Based on the context, from the options select the object entity that has the given relation with the subject. Answer with text (not indexes).
Input: Context: HMS Tongham was one of 93 ships of the Ham - class of inshore minesweepers . Their names were all chosen from villages ending in - ham . The minesweeper was named after Tongham in Surrey . Dry stored ashore at the Gareloch base , and on release used by the RNXS , based at Greenock ., Hampshire (; abbreviated Hants, archaically known as the County of Southampton) is a county on the southern coast of England in the United Kingdom. The county town of Hampshire is Winchester, the former capital city of England. Hampshire is the most populous ceremonial county in the United Kingdom (excluding the metropolitan counties) with almost half of the county's population living within the South Hampshire conurbation which includes the cities of Southampton and Portsmouth. The larger South Hampshire metropolitan area has a population of 1,547,000. Hampshire is notable for housing the birthplaces of the Royal Navy, British Army, and Royal Air Force. It is bordered by Dorset to the west, Wiltshire to the north-west, Berkshire to the north, Surrey to the north-east, and West Sussex to the east. The southern boundary is the coastline of the English Channel and the Solent, facing the Isle of Wight., Tongham is a Surrey village across a narrow double divide from the easterly park and business estate of the town of Aldershot, north-east Hampshire. The village's buildings occupy most of the west of the civil parish, adjoining the A31 and the A331. The boundaries take in Poyle Park in the east and the replacement to Runfold's manor house in the west., Subject: hms tongham , Relation: operator, Options: (A) royal air force (B) royal navy (C) southern (D) united kingdom
Output:
royal navy