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: vein deposits of gold and silver are formed by igneous intrusion, Fact2: Intrusive igneous rocks account for sections of higher elevation., Question: vein deposits of gold and silver are formed where? (A) loose soil (B) aqueous solution (C) graptolites (D) tectonic plates coliding (E) higher elevations (F) mountain sources (G) flow of electrons (H) In sediment
answer:
E

question:
Fact1: hydropower requires damming a river, Fact2: Hoover Dam, the first dam on the Colorado River below Grand Canyon, was built between 1931 and 1935., Question: Which of these produces hydropower? (A) deuterostomes (B) Wind Turbines (C) power stations (D) Suez Canal (E) trout (F) Old Faithful Geyser (G) Hoover Dam (H) stations
answer:
G

question:
Fact1: a refrigerator is used for keeping food fresh for a long period of time, Fact2: Refrigeration slows the growth of bacteria, molds, and other micro-organisms., Question: What does slowing the growth of bacteria do for a food? (A) It remains dormant (B) survive (C) It decreases (D) Keeps it warm (E) Makes it taste worse (F) Makes it go bad quicker (G) Keeps it fresh (H) Cooking
answer:
G