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").

Ex Input:
Fact1: exercise increases a body 's strength, Fact2: Strength is increased by resistance activities., Question: which of the following are a type of exercise? (A) resistance activities (B) fantasy football (C) sitting down (D) Relieve pain (E) Something that is self-aware (F) running for office (G) animal behaviorists (H) Riding a bike

Ex Output:
A


Ex Input:
Fact1: Steroid hormones are made of lipids, such as phospholipids and cholesterol., Fact2: Fats are known as lipids., Question: What are steroid hormones made of? (A) bacteria (B) fats (C) sugar (D) muscle (E) H 2 O (F) sunlight (G) the Sun (H) SO2

Ex Output:
B


Ex Input:
Fact1: erosion causes a river to become deeper and wider, Fact2: Weathering and erosion continue to shape it today., Question: Weathering causes what to become deeper and wider? (A) a landslide (B) Sediment (C) a mountain (D) a volcano (E) soils (F) rock (G) flooding (H) a river

Ex Output:

H