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").
Input: Fact1: Female gametophytes produce eggs inside the ovaries of flowers., Fact2: Megaspores develop into female gametophytes., Question: what do megaspores develop to do? (A) produce eggs in flower ovaries (B) Generating heat (C) have a positive impact on the environment (D) photosynthesis. (E) rapid expansion (F) it helps plants in growing (G) Plant reproduction (H) spread flower seeds
Output:
A