Definition: You are given an open-domain question from an open movie database. Your task is to provide an answer to that question. Try to only include the answer. Do not put it in a sentence.
Input: what words describe Soylent Green?

sci-fi, atmospheric, twist ending, bd-r, dystopia, betamax, slow, suicide, science fiction, dvd-r, bleak, food, futuristmovies.com, grim, afi 100 (movie quotes), business is the antagonist, pg, fighting the system, to-rent, charlton heston, sf, richard fleischer, btaegepriority, future dystopias, overpopulation, totalitarian states, edward g. robinson, prophetic, reaganomics