Classify the relation of question with context to one of these categories: 1) award received, 2) based on, collection, 3) conflict, 4) constellation, 5) convicted of, 6) date of death, 7) director, 8) drafted by, 9) educated at, 10) medical condition, 11) military branch, 12) narrative location, 13) occupation, 14) original network, 15) parent company, 16) point in time, 17) production company, 18) residence, 19) series, 20) service entry, 21) sex or gender, 22) spouse, 23) standards body question.

Context : Love Is a Many Splendored Thing is an American daytime soap opera which aired on CBS from September 18, 1967 to March 23, 1973. 
Question : Which place does Love Is a Many Splendored Thing exist in?
narrative location

Context : State testing began on 24 November 1974, and the Kh-25 entered production in 1975. 
Question : What year was the service entry date for Kh-25?
service entry

Context : Krippendorf's Tribe is a 1998 American film adaptation of Frank Parkin's novel of the same name, directed by Todd Holland. 
Question : The Krippendorf's Tribe is based upon what?

based on