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").

Ex Input:
Fact1: Annelids have the amazing capacity to regrow segments that break off., Fact2: Earthworms Earthworms are in the phylum Annelids., Question: _ have the amazing capacity to regrow segments. (A) ferns (B) arachnids (C) roots (D) earthworms (E) anthropods (F) crustacean (G) loose soil (H) root growth

Ex Output:
D

Ex Input:
Fact1: pathogens can cause disease, Fact2: Fungi are significant pathogens., Question: What can fungi do? (A) protect them (B) survive (C) Spread disease (D) migrate (E) hydrate their cells (F) decrease stamina (G) reproduce (H) aerobic capacity

Ex Output:
C

Ex Input:
Fact1: a sandbar is formed by water moving sediment downstream, Fact2: Numerous sandbars and abundant woody debris provide valuable habitat for aquatic species., Question: Water moving sediment downstream can form (A) fissures of hot, acidic water (B) taiga (C) underground systems (D) habitats for aquatic species (E) swamp vegetation (F) hurricanes (G) volcanoes (H) basic building blocks of life

Ex Output:
D