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: Some parasites live on the surface of their host., Fact2: Leeches are external parasites., Question: What unwanted creature would be found on the surface of a human body using it as a host? (A) Tapeworm. (B) Leeches. (C) Pesticides (D) animals (E) insects (F) Hookworm (G) bacteria (H) Bracelet.

Output: B

Input: Consider Input: Fact1: Cancer is a disease in which cells divide out of control., Fact2: Chemotherapy works on cells that are dividing., Question: What helps stop cells multiplying in cancer? (A) the skin (B) Honey (C) sweating (D) Chemotherapy (E) H2O (F) Chemical energy (G) Titanium (H) bioaerosols

Output: D

Input: Consider Input: Fact1: Shivering occurs when many muscles contract a little bit all at once., Fact2: Heat production is increased by shivering and non-shivering thermogenesis ., Question: what happens when many muscles contract a little bit all at once? (A) heat is produced (B) To keep their body heat. (C) biceps (D) sweating (E) digestion (F) rapid expansion (G) preventing heat transfer (H) death
Output: A