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: Consider Input: Fact1: an egg requires warmth to survive, Fact2: First the frog lays the eggs, then the warmth from the sun makes the eggs hatch into baby tadpoles., Question: what keeps eggs warm? (A) ice (B) hair (C) wool (D) bears (E) fur (F) sun (G) moss (H) sand

Output: F


Input: Consider Input: Fact1: erosion of soil has a negative impact on the environment, Fact2: Much of the landscape is scarred by severe soil erosion., Question: What is scarred by a negative impact on the environment? (A) mines (B) deforestation (C) skin (D) bushes (E) water (F) landscape (G) coastlines (H) clouds

Output: F


Input: Consider Input: Fact1: intense heat has a negative impact on an organism, Fact2: Heat is produced by the sun and observed on Earth., Question: What has a negative impact on an organism? (A) sun (B) HIV (C) smog (D) ill (E) fire (F) Cars (G) HPV (H) pain


Output: A