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: soil is formed by rocks eroding, Fact2: Rivers erode the rocks they flow over., Question: What is formed by rivers? (A) fish (B) soil (C) rain (D) bamboo (E) spring (F) clouds (G) kayaks (H) NaCl

Ex Output:
B


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: tectonic plates being pushed together causes earthquakes, Fact2: Unfortunately, some earthquakes do enormous damage to homes and can even cause injury or death., Question: Tectonic plates being pushed together can cause what? (A) converting electricity to heat (B) enormous damage to homes (C) to move people (D) kinetic energy (E) fissures of hot, acidic water (F) gravitational demize (G) slight inconvenience to stars (H) small solar flares

Ex Output:

B