Definition: 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").
Input: Fact1: Skin color is another polygenic trait., Fact2: Pigment cells are what give color or tint to the skin., Question: What is another example of a polygenic trait? (A) Type O (B) Cladistics (C) Rolex (D) Therapsids (E) pigment (F) amebiasis (G) Pelycosaur (H) orange
Output:
E