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: coal is used for generating heat by burning, Fact2: Gasoline is extremely flammable and can explode and burn if ignited., Question: coal is used for generating heat and can what? (A) melt (B) explode (C) run (D) kill (E) heat (F) energy (G) stay warm (H) freeze
Example Output: B

Example Input: Fact1: Puberty is the period during which humans become sexually mature., Fact2: Before puberty, adolescents experience their highest nutritional demand since infancy., Question: When do adolescents experience their highest nutritional demand since infancy? (A) carrying offspring to birth (B) occurs over a wide range (C) it increases (D) It's inherited from genes (E) Before sexual maturity (F) 70-75 degrees Fahrenheit (G) dermal & vascular tissue (H) Two or more sets of alleles
Example Output: E

Example Input: Fact1: evaporation can be used for separating a solute from a solvent in a solution, Fact2: Evaporation occurs when a liquid dries., Question: What can be used to separate a solute from a solvent? (A) liquid drying (B) activation energy (C) a hydraulic system (D) chemical equations (E) Condensation (F) circulatory systems (G) heat energy (H) water vapor
Example Output:
A