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: a delta is formed by deposition of sediment at the mouth of a river by water fanning out, Fact2: Sand is an example of a clastic sediment., Question: Deltas are formed by deposition of what at the mouth of a river by water fanning out? (A) air (B) water (C) salt (D) ice (E) soils (F) sand (G) rocks (H) barrel
Solution:
F