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 Input:
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 Output:
E


Ex Input:
Fact1: plant requires seed dispersal for reproduction, Fact2: Reproductive investment was measured as seed mass, samara size, and dispersal ability., Question: What requires investment, seed mass, size and dispersal? (A) plants (B) Species (C) animals (D) coral (E) Oak (F) gene flow (G) Frogs (H) mussels

Ex Output:
A


Ex Input:
Fact1: a graduated cylinder is used to measure volume of a liquid, Fact2: Most of the earth's water is liquid., Question: The volume of what can be measured with a graduated cylinder? (A) vinegar (B) milk (C) vapors (D) ruler (E) blood (F) water (G) gas (H) rocks

Ex Output:

F