Detailed Instructions: 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").
Problem:Fact1: a flower 's purpose is to produce seeds, Fact2: Grain is the seed portion of the plants., Question: What produces grain? (A) flowers (B) leaves (C) food (D) sugar (E) ducks (F) plants (G) honeybees (H) mice
Solution:
A