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 : Re-Animator is a 1985 American science fiction horror comedy film loosely based on the H. P. Lovecraft episodic novella ``Herbert West-- 
Question : Which is the basis of Re-Animator?
based on

Context : Rhythm Is It! is a 2004 German documentary film directed by Thomas Grube and Enrique Sánchez Lansch. 
Question : Under whose direction was Rhythm Is It! produced?
director

Context : Alif Laila was the winner of Most Outstanding T.V. Serial awarded by India Cine-goers Academy. 
Question : The Alif Laila is based upon what?

based on