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").

[EX Q]: Fact1: eyes are used for seeing by animals by sensing light, Fact2: Goats are four legged animals., Question: what uses eyes for seeing by sensing light? (A) pigeons (B) goats (C) potatoes (D) tigers (E) plants (F) h2o (G) humans (H) bears
[EX A]: B

[EX Q]: 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.
[EX A]: H

[EX Q]: Fact1: Grasses supply most of the food consumed by people worldwide., Fact2: Wheat is a grass-type plant., Question: What is consumed by people worldwide? (A) Energy. (B) wheat (C) durian (D) food (E) nectar (F) tofu (G) insects (H) Energy
[EX A]:
B