In this task, you are given two facts, and a multiple-choice question. Based on the given facts, answer the question with index of the correct option (e.g, "A").
Q: Fact1: Producers are organisms that produce food for themselves and other organisms., Fact2: Green plants are producers ., Question: what makes food for themselves and other organisms? (A) bacteria (B) chicken (C) green plants (D) plants (E) agriculture (F) humans (G) honeybees (H) Conifers
A:
C