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").

Fact1: lightning can cause a forest fire, Fact2: Forest fires are bad for the environment., Question: Lightning can be bad for what? (A) the environment (B) rainstorms (C) destruction (D) visibility (E) thunder (F) the sun (G) The weather. (H) transportation
A

Fact1: Mollusks reproduce sexually., Fact2: Mollusks are the dominant invertebrate., Question: what reproduces sexually? (A) A compound that donates proton (B) spread flower seeds (C) They have webbed feet (D) Plant reproduction (E) By wind and rain (F) passenger pigeons (G) the dominant invertebrate (H) Something found in San Francisco
G

Fact1: Head hair is especially important in preventing heat loss from the body., Fact2: Almost half the body heat lost in cold conditions escapes from the head., Question: Which type of hair is most important in cold conditions? (A) layers of fat (B) facial hair (C) toe hair (D) fur seals (E) Head hair (F) staying warm (G) arm hair (H) rabbit
E