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: a plant requires food for survival, Fact2: Food is the ideal source of nutrients., Question: What do plants require nutrients for? (A) growth (B) water vapor (C) ice (D) Energy. (E) bloom time (F) survival (G) Energy (H) hurricanes
Output:
F