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: fog is formed by water vapor condensing in the air, Fact2: Water vapor rises into the atmosphere., Question: what does the atmosphere do before turning into fog (A) adapt (B) rest (C) Rise (D) fall (E) cooled (F) snow (G) swirl (H) Lift
Example Output: C

Example Input: Fact1: Yeast reproduce asexually by budding., Fact2: Yeasts Yeasts are simple eukaryotes ., Question: what produces asexually by budding? (A) h2o (B) Most plants (C) insects (D) graptolites (E) humans (F) swamp vegetation (G) simple eukaryotes (H) bioaerosols
Example Output: G

Example Input: Fact1: animals require water for survival, Fact2: Ducks are strange animals., Question: What requires water for survival? (A) pigeons (B) ducks (C) bushes (D) bears (E) bamboo (F) asteroids (G) the Sun (H) oxygen
Example Output:
B