Teacher: 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").
Teacher: Now, understand the problem? If you are still confused, see the following example:
Fact1: a plant requires sunlight to grow, Fact2: Plants to avoid are fast-growing vines that can take over an area in no time., Question: What requires sunlight in order to take over an area? (A) spores (B) fish (C) plants (D) humans (E) pods (F) Oak (G) opossums (H) coral
Solution: C
Reason: This is a good example. Based on the facts plants require sunlight in order to take over an area.

Now, solve this instance: Fact1: Behaviors that improve fitness increase through natural selection., Fact2: Adaptation is the result of natural selection., Question: Behaviors that improve fitness increase through what? (A) kinetic energy (B) Animal survival (C) increases (D) hydration (E) Riding a bike (F) competition (G) adaptation (H) insulation
Student:
G