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: a battery converts chemical energy into electrical energy, Fact2: Electrical energy can be converted into kinetic energy and heat energy by an electric motor., Question: What can convert chemical energy into kinetic energy (A) a magnet (B) a vacuum (C) a windmill (D) a battery (E) arteries (F) barnacles (G) animals (H) engines
Example Output: D

Example Input: Fact1: Petals attract pollinators to the flower., Fact2: Daisy leaves and white petals are used in salads., Question: What attracts pollinators? (A) Daisy (B) Wind (C) Amoeba (D) pollen (E) Ant (F) orchids (G) Flowers (H) Honeybee
Example Output: A

Example Input: Fact1: a delta is formed by deposition of sediment at the mouth of a river by water fanning out, Fact2: When the river slows, it drops the sediment in a wide fan, a delta., Question: Sediment is dropped at the mouth of a river by water when what happens? (A) Destroy bridges (B) erosion (C) global warming (D) rivers slow (E) flooding (F) contamination (G) massive damage (H) storms
Example Output:
D