Detailed Instructions: 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").
Problem:Fact1: boulders are formed by glaciers melting sometimes, Fact2: Most of the crags are boulders., Question: What are most crags formed by? (A) hurricanes (B) permeable walls (C) melting glaciers (D) lamphreys (E) tornadoes (F) coarse grit (G) dogs (H) unicellular organisms
Solution:
C