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").

[Q]: Fact1: Most fungi get organic compounds from dead organisms., Fact2: Mushrooms and molds are fungi., Question: What can get organic compounds from dead organisms? (A) roots (B) air (C) Most plants (D) nitrogen (E) ferns (F) mushrooms (G) bacteria (H) oxygen
[A]: F


[Q]: Fact1: All animals are heterotrophs., Fact2: Heterotrophic bacteria derive energy from the breakdown of organic molecules., Question: What derive energy from the breakdown of organic molecules? (A) Most plants (B) hydrocarbons (C) potatoes (D) all stones (E) all water sources (F) all mountains (G) all animals (H) Generating heat
[A]: G


[Q]: Fact1: plucking a string can cause that string to vibrate, Fact2: How the sounds are made Vibrating strings provide the sound in stringed instruments., Question: Doing what can cause sound to be made in stringed instruments? (A) Movement (B) wind (C) striking (D) adding (E) playing (F) plucking (G) electrically (H) breaking
[A]:
F