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: soil is formed by rocks eroding, Fact2: Rivers erode the rocks they flow over., Question: What is formed by rivers? (A) fish (B) soil (C) rain (D) bamboo (E) spring (F) clouds (G) kayaks (H) NaCl
answer:
B

question:
Fact1: when the seasons change from the summer to the fall , the amount of daylight will decrease, Fact2: Then the days become colder and the number of daylight hours decreases., Question: what do days become in fall? (A) rainy (B) ligt (C) cold (D) stormier (E) colder (F) hotter (G) longer (H) air cools
answer:
E

question:
Fact1: dew is formed when water vapor condenses over night, Fact2: If there is a greater dew point there is more water vapor., Question: More condensing water means more of what? (A) CO 2 (B) rain (C) hurricanes (D) contraction (E) heat (F) dew (G) expansion (H) gas
answer:
F