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: the Earth being tilted on its rotating axis causes seasons, Fact2: Weather changes from season to season., Question: Which natural occurrence comes from Earth being tilted on a rotating axis? (A) Changing weather (B) graptolites (C) permineralization (D) Movement (E) subtropical (F) dry and hot (G) swamp vegetation (H) global warming

Output: A


Input: Consider Input: Fact1: a stem is used to store water by some plants, Fact2: Inside the stem is fibrous material., Question: Where do some plants store water? (A) near the shoreline (B) fibrous material (C) rocks (D) soil (E) dormant state (F) mountain sources (G) one celled organisms (H) air


Output: B