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").

Input: Consider Input: Fact1: Flowing water can slowly dissolve carbon in sedimentary rock., Fact2: Rivers and streams are bodies of fresh, flowing water., Question: What can slowly dissolve carbon in sedimentary rock? (A) hydrocarbons (B) acetic acid (C) precipitation (D) evaporation (E) rivers and streams (F) puddles (G) ponds (H) nitrogen

Output: E

Input: Consider Input: Fact1: Yeast reproduce asexually by budding., Fact2: Yeasts Yeasts are simple eukaryotes ., Question: what produces asexually by budding? (A) h2o (B) Most plants (C) insects (D) graptolites (E) humans (F) swamp vegetation (G) simple eukaryotes (H) bioaerosols

Output: G

Input: Consider Input: Fact1: a tape measure is used to measure length, Fact2: Lengths A length is a measure of distance., Question: What is a tape measure used to measure? (A) Force (B) biceps (C) feet (D) Other measuring tapes (E) size (F) Stickiness of tape (G) Distance (H) Weight
Output: G