instruction:
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.
question:
Context : ``Cha-Ka'' is the first episode of the first season of the 1974 American television series Land of the Lost. 
Question : What is the series that Cha-Ka is a part of?
answer:
series


question:
Context : Kurt Maier was killed in a road accident on 11 February 1952 in Heilbronn. 
Question : What conflict involved Kurt Maier?
answer:
conflict


question:
Context : ``In that privileged place, reality and the sublime dimension almost come together. My mystical paradise begins in the plains of the Empordà, is surrounded by the Alberes hills, and reaches plenitude in the bay of Cadaqués. This land is my permanent inspiration. The only place in the world, too, where I feel loved. When I painted that rock that I entitled The Great Masturbator, I did nothing more than render homage to one of the promontories of my kingdom, and my painting was a hymn to one of the jewels of my crown.'' 
Question : What is the name of the place where The Great Masturbator can be found?
answer:

collection