Information:  - Sister shows are two or more television shows which exist in the same fictional universe and which may have crossovers. They differ to a degree from spin-offs in that shows may air simultaneously, rather than being derived from, and replacing, another. The popularity of most shows is limited to a few seasons, and sister shows allow expanding the immediate audience and ratings share. This is accomplished by using mostly different actors and production facilities. Sister shows often shift styles or target audience slightly, for a larger overall market. Thus "The Beverly Hillbillies" emphasizes slapstick, while "Green Acres" emphasizes surreal humor.  - Drama is the specific mode of fiction represented in performance. The term comes from a Greek word meaning "action" (Classical Greek: , "drama"), which is derived from "to do" (Classical Greek: , "drao").  The two masks associated with drama represent the traditional generic division between comedy and tragedy. They are symbols of the ancient Greek Muses, Thalia, and Melpomene. Thalia was the Muse of comedy (the laughing face), while Melpomene was the Muse of tragedy (the weeping face). Considered as a genre of poetry in general, the dramatic mode has been contrasted with the epic and the lyrical modes ever since Aristotle's "Poetics" (c. 335 BCE)the earliest work of dramatic theory.  - The Bold and the Beautiful (often referred to as B&B) is an American television soap opera created by William J. Bell and Lee Phillip Bell for CBS. It premiered on March 23, 1987 as a sister show to the Bells' other soap opera "The Young and the Restless"; several characters from each of the two shows have crossed over to the other since the early 1990s. Set in Los Angeles, California, the show centers upon the Forrester family and their fashion house business Forrester Creations.  - Los Angeles (Spanish for "The Angels"), officially the City of Los Angeles and often known by its initials L.A., is the second-most populous city in the United States (after New York City), the most populous city in California and the county seat of Los Angeles County. Situated in Southern California, Los Angeles is known for its mediterranean climate, ethnic diversity, sprawling metropolis, and as a major center of the American entertainment industry. Los Angeles lies in a large coastal basin surrounded on three sides by mountains reaching up to and over .  - Soapnet (stylized as SOAPnet) was an American basic cable and satellite television channel that was owned by the Disney-ABC Television Group division of The Walt Disney Company.   - CBS (an initialism of the network's former name, the Columbia Broadcasting System) is an American commercial broadcast television network that is a flagship property of CBS Corporation. The company is headquartered at the CBS Building in New York City with major production facilities and operations in New York City (at the CBS Broadcast Center) and Los Angeles (at CBS Television City and the CBS Studio Center).  - Radio is the technology of using radio waves to carry information, such as sound, by systematically modulating properties of electromagnetic energy waves transmitted through space, such as their amplitude, frequency, phase, or pulse width. When radio waves strike an electrical conductor, the oscillating fields induce an alternating current in the conductor. The information in the waves can be extracted and transformed back into its original form.  - A melodrama is a dramatic or literary work in which the plot, which is typically sensational and designed to appeal strongly to the emotions, takes precedence over detailed characterization. Characters are often simply drawn, and may appear stereotyped.  - A soap opera, soap, or soapie, is a serial drama on television or radio that examines the lives of many characters, usually focusing on emotional relationships to the point of melodrama. The term "soap opera" originated from such dramas being typically sponsored by soap manufacturers in the past.  - Television or TV is a telecommunication medium used for transmitting moving images in monochrome (black-and-white), or in color, and in two or three dimensions and sound. It can refer to a television set, a television program ("TV show"), or the medium of television transmission. Television is a mass medium, for entertainment, education, news, and advertising.  - The Young and the Restless (often abbreviated as Y&R) is an American television soap opera created by William J. Bell and Lee Phillip Bell for CBS. The show is set in a fictional Wisconsin town called Genoa City, which is unlike and unrelated to the real life village of the same name, Genoa City, Wisconsin. First broadcast on March 26, 1973, "The Young and the Restless" was originally broadcast as half-hour episodes, five times a week. The show expanded to one-hour episodes on February 4, 1980. In 2006, the series began airing encore episodes weeknights on SOAPnet until 2013, when "Y&R" moved to TVGN (now Pop). Pop still airs the encore episodes on weeknights, starting July 1, 2013. The series is also syndicated internationally.  - William Joseph "Bill" Bell (March 6, 1927  April 29, 2005) was an American screenwriter and television producer, best known as the creator of the soap operas "Another World", "The Young and the Restless" and "The Bold and the Beautiful".  - Rex M. Best is an award winning American soap opera writer . He was a staff script writer on `` The Young and the Restless '' for fifteen years ( 1987 - 2002 ) . He currently writes scripts for Y&R 's sister soap , `` The Bold and the Beautiful . '' He has won six Emmys and a Writers Guild Award . He currently lives in Greensboro , North Carolina . Prior to his daytime writing career , he taught students with autism in the Greensboro school system .  - Loreley "Lee" June Phillip Bell (born June 10, 1928) is a former talk show host and soap opera creator.  - The Forrester family is a family in the CBS Daytime soap opera "The Bold and the Beautiful". The Forresters own and run the Los Angeles-based fashion house Forrester Creations.    What entity does 'rex m. best' has the relation 'occupation' with?
A:
screenwriter