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: if heat is conducted to an object then that object will become hot, Fact2: Metals vary in their capacity to conduct heat., Question: What can happen if a metal is heated? (A) change chemical composition (B) refract energy (C) they bend (D) It expands (E) electricity (F) Relieve pain (G) maintains core temperature (H) becomes hot
answer:
H

question:
Fact1: the emission of sulfur dioxide causes acid rain, Fact2: The sulfur dioxide is converted into sulfuric acid., Question: what causes acid rain? (A) gases (B) rainfall (C) Pollution (D) fossil fuels (E) emissions (F) vehicles (G) burning (H) wind
answer:
E

question:
Fact1: fanning a fire increases the oxygen near the fire, Fact2: Fire needs fuel and oxygen., Question: What fuel does fanning a fire provide? (A) CO2 (B) oil (C) HPV (D) heat (E) hot (F) Air (G) gas (H) wind
answer:
F