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").

[EX Q]: 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
[EX A]: E

[EX Q]: 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
[EX A]: A

[EX Q]: Fact1: a greenhouse is used to protect plants from the cold, Fact2: Flowers are beautiful kinds of plants., Question: A greenhouse is used to protect flowers from what? (A) sunlight (B) fertilizer (C) salinity (D) Dehydration (E) cold air (F) the cold (G) Winter (H) irrigation
[EX A]:
F