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: smoking tobacco decreases stamina, Fact2: Decreased stamina or stunted growth are two important signs that a murmur is significant., Question: Smoking tobacco can cause what? (A) heart health (B) lymphoma (C) murmur (D) good lungs (E) heart strength (F) cancer (G) disease (H) symptoms

Ex Output:
C

Ex Input:
Fact1: pollutants have a negative impact on the environment, Fact2: Environment and Health Environment and Health All living things depend on their environment., Question: pollutants have a negative impact on all what (A) tractors (B) circulatory systems (C) near the shoreline (D) living things (E) Electrical energy (F) pavement (G) potholes (H) important habitats

Ex Output:
D

Ex Input:
Fact1: Sex hormones are chemical messengers that control sexual development and reproduction., Fact2: Androgens are male sex hormones., Question: what are chemical messengers that control sexual development and reproduction (A) Most plants (B) h2o (C) animals (D) insects (E) androgens (F) ovaries (G) hydrogen (H) acetic acid

Ex Output:
E