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: heating salt water causes the water to evaporate while the salt remains, Fact2: Salt is produced by the evaporation of sea water., Question: how is salt produced? (A) flow of electrons (B) solid, liquid, gas (C) chemical messengers (D) Solutions (E) Physical weathering (F) It gets heated up (G) near the shoreline (H) heating water
Example Output: H

Example Input: Fact1: Behaviors that improve fitness increase through natural selection., Fact2: Adaptation traits contribute to individual fitness and to the evolution of animal genetic resources., Question: The evolution of animal genetic resources can be impacted by: (A) extinction (B) Mars (C) competition (D) Darwin (E) agriculture (F) behavior (G) environment (H) Galapagos Islands
Example Output: F

Example Input: Fact1: increasing heat causes thermal expansion, Fact2: Thermal burns are caused by exposure to heat., Question: what can cause burns? (A) epidermis and dermis (B) Pesticides (C) Males and females (D) rays or beams (E) fossil fuels (F) Electrical energy (G) thermal expansion (H) harmful substances
Example Output:
G