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").

[Q]: Fact1: Mating is generally preceded by courtship., Fact2: For example, a black rooster and a white hen mate, and the resulting offspring are gray., Question: What can result in offspring? (A) seeds (B) competition (C) courtship (D) travel (E) resistance (F) solitude (G) litter (H) reading
[A]: C


[Q]: Fact1: Ozone depletion results in higher levels of UV radiation reaching Earth., Fact2: Birds live on Earth, trees live on Earth., Question: what results in higher levels of uv radiation reaching the place birds and trees live? (A) emissions (B) earthquakes (C) oxidation reaction (D) ozone depletion (E) global warming (F) important habitats (G) fairies (H) the ozone layer strengthening
[A]: D


[Q]: Fact1: the gravitational pull of the Moon on Earth 's oceans causes the tides, Fact2: High tide is when the best waves come in., Question: What does the gravitational pull of the Moon on Earth 's oceans cause? (A) Energy. (B) two (C) waves (D) fires (E) the Sun (F) sunlight (G) rivers (H) erosion
[A]:
C