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: Some pelycosaurs gave rise to a group of animals called therapsids., Fact2: Pelycosaurs are an important lineage preserved in the fossil record., Question: How do we know the lineage of therapsids? (A) Laboratory (B) dinosaurs (C) prokaryotic cells (D) some anthozoans (E) fossil record (F) oral tradition (G) polygenic (H) calibrated
Example Output: E

Example Input: Fact1: friction causes an object to lose energy, Fact2: Objects An object can be one of several things., Question: What does friction cause things to lose? (A) heat (B) moisture (C) toughness (D) Energy. (E) traits (F) light (G) energy (H) cartilage
Example Output: G

Example Input: Fact1: Energy is passed up a food chain or web from lower to higher trophic levels., Fact2: Animals which are consumers constitute higher trophic levels., Question: Energy is passed up the food chain or web from producers to whom? (A) animals (B) plants (C) glucose (D) our planet (E) chloroplasts (F) consumers (G) photosynthesizers (H) people
Example Output:
F