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: Plants that shed their leaves seasonally each year are called deciduous plants., Fact2: Vines are perennial, deciduous climbing plants., Question: What sheds their leaves seasonally each year? (A) camels (B) oak (C) Spruce (D) fens (E) Trees (F) burrs (G) apples (H) vines
Example Output: H

Example Input: Fact1: Mammals have a layer of fat under the skin to help insulate the body., Fact2: Harbor seals, like sea lions, have evolved to utilize a layer of fat called blubber., Question: How do sea lions keep warm? (A) protected (B) warm (C) Swimming fast (D) Sleeping (E) hydration (F) Blubber (G) four limbs (H) Eating a lot of fish
Example Output: F

Example Input: Fact1: Collar cells have tiny hairs that trap the particles., Fact2: Collar cells are the work horses of the sponge., Question: what do sponges capture? (A) water vapor (B) antigens (C) particles (D) light (E) magma (F) fish (G) jellyfish (H) coelenterates
Example Output:
C