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: extreme heat and pressure change rock into metamorphic rock, Fact2: Slate is a metamorphic rock., Question: What rock is formed by extreme heat and pressure (A) erosion (B) crust (C) calcite (D) Slate (E) dead (F) forces (G) fibrous (H) complex
Example Output: D

Example Input: Fact1: Insects may live in large colonies and have complex social behaviors., Fact2: Ants are social insects living in colonies., Question: What type of behavior does an ant have? (A) Randomized (B) Social (C) Solitary (D) dangerous (E) complex (F) Problematic (G) movement (H) kinetic
Example Output: B

Example Input: Fact1: plant reproduction often requires pollen, Fact2: Pollen grains contain the male gametes in sexually reproducing plants., Question: Gametes are often required for reproduction in: (A) insects (B) coral (C) Jellyfish (D) squids (E) courtship (F) Frogs (G) plants (H) DNA
Example Output:
G