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: a stopwatch is used to measure time, Fact2: Reaction time was measured with a stopwatch in minutes and seconds., Question: What is used to measure minutes? (A) light (B) barometer (C) stopwatch (D) weater (E) thermometer (F) lamphreys (G) feedback (H) sound

Output: C


Input: Consider Input: Fact1: DNA contains genetic instructions for proteins, and RNA helps assemble the proteins., Fact2: DNA is the genetic material responsible for heredity., Question: The genetic material responsible for heredity contains what? (A) wavelengths and photons (B) instructions for proteins (C) characteristics (D) pre-assembled proteins (E) organelles (F) Chemical energy (G) A compound that donates proton (H) blood

Output: B


Input: Consider Input: Fact1: chemical weathering causes iron in rock to oxidize, Fact2: Chemical weathering is the chemical disintigration of rocks., Question: what causes iron in rocks to oxidize? (A) a tree falling (B) oxidation reaction (C) exposure to cold (D) chemical disintegration (E) hydrogen and oxygen (F) basic building blocks of life (G) fissures of hot, acidic water (H) flow of electrons


Output: D