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: 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: a flashlight converts chemical energy into light energy, Fact2: A joule is roughly the energy used by a flashlight turned on for one second., Question: What is converted in a flashlight? (A) hydrogen and oxygen (B) adding heat (C) an electron lens (D) hydrogen to water (E) chemicals to light (F) batteries into solar (G) heat into light (H) chlorofluorocarbons
[EX A]: E

[EX Q]: Fact1: a sandbar is formed by water moving sediment downstream, Fact2: Some sediment comes from natural erosion., Question: A sandbar is formed by (A) loose soil (B) magma eruptions (C) wind currents (D) near the shoreline (E) seismic activity (F) natural erosion (G) flooding (H) Physical weathering
[EX A]:
F