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: Sweat wets the skin, and when it evaporates, it cools the body., Fact2: Sweat is released from sweat glands beneath the skin, and as it evaporates, the skin is cooled., Question: What cools the skin? (A) humidity (B) temperature (C) condensation (D) Solar energy (E) evaporation (F) vaporization (G) layers of fat (H) water vapor

Ex Output:
E


Ex Input:
Fact1: Most people can survive only a few days without water., Fact2: Water is the best fluid for hydration., Question: What can people only survive a few days without? (A) dehydration (B) hydration (C) bacteria (D) sodium (E) food (F) yogurt (G) Chlorophyll (H) oxygen

Ex Output:
B


Ex Input:
Fact1: erosion of soil has a negative impact on the environment, Fact2: Cattle can cause soil erosion., Question: what can have a negative impact on the environment? (A) toxins (B) trees (C) Cars (D) cattle (E) tar (F) nutrients (G) h2o (H) coal

Ex Output:

D