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").

Example Input: Fact1: Skin color is another polygenic trait., Fact2: Tourette syndrome a polygenic disorder ., Question: what is tourette syndrome? (A) malaria (B) cancer (C) trait (D) fever (E) cell (F) antigen (G) virus (H) Type O
Example Output: C

Example Input: Fact1: transportation technology is used for moving people, Fact2: Model rocketry is an exciting way to study transportation technology., Question: Model rocketry can be used to study how people are what? (A) able to read (B) warm (C) dead (D) living (E) moved (F) born (G) humans (H) moved by emotion
Example Output: E

Example Input: Fact1: Earth 's tilt on its rotating axis causes seasons to change, Fact2: Autumn brings the changing of the seasons., Question: Earth's tilt on its rotating axis causes what? (A) rainfall (B) wind (C) rest (D) spring (E) autumn (F) pollution (G) taxes (H) death
Example Output:
E