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: Evaporation of sweat uses energy, and the energy comes from body heat., Fact2: When sweat comes in contact with the skin it is cooled as the sweat evaporates., Question: energy leaves from what when sweat contacts with skin (A) radiation (B) heat energy (C) expelled (D) vapors (E) body heat (F) heat produced (G) conduction (H) metal
Example Output: E

Example Input: Fact1: water causes refraction of light, Fact2: Halos are produced by the refraction of light., Question: What causes halos? (A) germs (B) Pacific (C) solutes (D) water (E) storms (F) glass (G) algae (H) the sun
Example Output: D

Example Input: Fact1: an automobile engine transforms chemical energy into mechanical energy, Fact2: Mechanical Energy- Mechanical energy is the energy of moving objects., Question: An automobile acquires the energy for motion from (A) fossil fuels (B) objects that have mass (C) a hydraulic system (D) layers of fat (E) chemical energy (F) velocity (G) strong nuclear force (H) digestion
Example Output:
E