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: Earth 's tilt on its rotating axis causes seasons to change, Fact2: Weather changes from season to season., Question:  Earth 's tilt on its rotating axis causes changes in what (A) weather (B) sunlight (C) Joules (D) wind (E) heat (F) climate (G) energy (H) earth
[A]: A


[Q]: Fact1: Mollusks live in most terrestrial, freshwater, and marine habitats., Fact2: Interestingly, a squid is also a mollusk., Question: What can live in marine habitats? (A) lizards (B) horses (C) elephants (D) fur seals (E) a fish (F) squids (G) barnacles (H) animals
[A]: F


[Q]: Fact1: harming an animal species causes that animal 's population to decrease, Fact2: Killing snakes is more than unnecessary and harmful to the ecosystem., Question: What can killing snakes cause? (A) Snake population decrease. (B) DNA damage and mutations (C) Snake population variation. (D) death and devastation (E) dead organisms (F) Snake population increase. (G) Destroy crops (H) Snake population stabilization
[A]:
A