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: high pressure systems cause clear weather, Fact2: Weather Clear weather usually means good visibility., Question: what does a high pressure system cause? (A) hyperthyroidism (B) lowered energy cost (C) harmful substances (D) Heart rate (E) good visibility (F) It gets heated up (G) Pollution (H) rainfall
Example Output: E

Example Input: Fact1: Urine is the liquid waste product of the body that is excreted by the urinary system., Fact2: Mammals excrete urea in the watery form of urine ., Question: What is a waste product of the body that is excreted by the urinary system? (A) potash (B) food (C) CO 2 (D) sugar (E) urea (F) liquid (G) H 2 O (H) sulfur
Example Output: E

Example Input: Fact1: Fertilization occurs when a sperm and an egg fuse., Fact2: Sperm and eggs are cells known as gametes., Question: Fertilization occurs when _ fuse. (A) fertile (B) sperm ducts (C) heat (D) eggs (E) seeds (F) gametes (G) pollen (H) ovaries
Example Output:
F