instruction:
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").
question:
Fact1: Aging occurs as cells lose their ability to divide., Fact2: Death is attributed to the infirmities of old age., Question: What occurs as cells lose their ability to divide? (A) illness (B) Winter (C) disease (D) death (E) youth (F) die (G) black holes (H) cell growth
answer:
D


question:
Fact1: smell is used for finding food by some animals, Fact2: Olfaction is the sense of smell., Question: What do some animals use to find food? (A) Echinoids (B) breakfast (C) time travel (D) Energy (E) streams. (F) heat energy (G) nature (H) olfaction
answer:
H


question:
Fact1: increasing heat causes thermal expansion, Fact2: Heating by direct heat is usually too hot., Question: What causes thermal expansion? (A) Electrical energy (B) energy of moving objects (C) making an object hot (D) cooling an object (E) freezing an object (F) chemical reaction (G) global warming (H) stretching an object
answer:

C