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: Consider Input: Fact1: Energy is passed up a food chain or web from lower to higher trophic levels., Fact2: Plants represent the first trophic level., Question: What passes energy up the food chain to adult vegans? (A) cows (B) animals (C) Batteries. (D) chickens (E) Power companies. (F) glucose (G) Humans. (H) Plants.

Output: H

Input: Consider Input: Fact1: Urine is the liquid waste product of the body that is excreted by the urinary system., Fact2: Mammals excrete urea in the watery form of urine ., Question: What is a waste product of the body that is excreted by the urinary system? (A) potash (B) food (C) CO 2 (D) sugar (E) urea (F) liquid (G) H 2 O (H) sulfur

Output: E

Input: Consider Input: Fact1: exercise has a positive impact on a human 's health, Fact2: All movement is exercise., Question: What has a positive impact on a human's health? (A) aerobic capacity (B) all eating (C) stamina (D) always sitting (E) all movemnet (F) prolactin release (G) playing (H) no movement
Output: E