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: Dilation occurs when cell walls relax., Fact2: Larger, dilated pupils are seen as more attractive than smaller, contracted pupils., Question: What becomes larger when cell walls relax? (A) shrub beds (B) wave in air (C) a cuticle (D) It expands (E) layers of fat (F) an object (G) sensory neurons (H) the pupils
A:
H