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: Milk is a nutritious fluid., Fact2: Milk comes from Cows., Question: what produces nutritious fluid? (A) oaks (B) trees (C) Honey (D) cows (E) herbs (F) corn (G) lymph (H) food
Output:
D