Q: 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").
Fact1: boulders are formed by glaciers melting sometimes, Fact2: Erratics are boulders that are deposited by glaciers as part of moraines., Question: What are erratics formed from? (A) rain weather (B) coarse grit (C) rainfall (D) fossils (E) hail (F) rain (G) glaciers (H) Thunderstorm
A:
G