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: Evolution occurs in response to a change in the environment., Fact2: Extinction is a natural part or the process of evolution., Question: What happens to an environment to cause extinction?  (A) relocation (B) changes (C) rain (D) exposure (E) forces (F) wind (G) Pollution (H) discovery
[A]: B


[Q]: Fact1: Behaviors can be learned through play., Fact2: Kittens practice hunting by playing., Question: Kittens that are practicing hunting is an example of what? (A) learning behavior (B) competing for resources (C) warm-blooded (D) competition (E) bad behavior (F) learning nothing (G) extinguishing behavior (H) energy of moving objects
[A]: A


[Q]: Fact1: Bird beaks are generally adapted for the food they eat., Fact2: Birds eat the fish, algae and human food., Question: What are bird beaks often adapted to eat? (A) moles. (B) fish (C) nests (D) chicks (E) trees (F) apples (G) edible (H) Fruits
[A]:
B