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: hurricanes convert heat energy into mechanical energy, Fact2: Some more recent hurricanes are Hurricane Andrew and Hurricane Fran., Question: What did Andrew and Fran have? (A) support (B) courtship (C) Hail (D) Snow (E) Energy (F) Shoes (G) children (H) food
Example Output: E

Example Input: Fact1: Ejaculation occurs when muscle contractions propel sperm from the epididymes., Fact2: Male gametes are called sperm., Question: What is it called when male gametes are propelled because of muscle contractions? (A) competition (B) rapid expansion (C) intercourse (D) thrusting (E) a wave (F) reproductions (G) A Greek letter (H) ejaculation
Example Output: H

Example Input: Fact1: increasing heat causes thermal expansion, Fact2: Liquid propane is used to heat hot air balloons., Question: How is liquid propane used in hot air ballooning? (A) lowered energy cost (B) The area was once underwater (C) to expand the balloon (D) energy of moving objects (E) activation energy (F) hydrogen and oxygen (G) It remains dormant (H) to move people
Example Output:
C