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: a delta is formed by deposition of sediment at the mouth of a river by water fanning out, Fact2: Rivers provide a water supply., Question: What is formed by deposition of sediment at the mouth of a water supply fanning out? (A) a hurricane (B) soils (C) a delta (D) an ocean (E) soft soil (F) an island (G) detritus (H) spring
C

Fact1: sugar causes food to taste sweet, Fact2: Favorite foods are cakes, noodles, rice, eggs and fruits., Question: What tastes sweet due to sugar? (A) diet soda (B) corn (C) ice (D) water (E) apple (F) coffee (G) cake (H) sugar
G

Fact1: Roundworms make up the phylum Nematoda., Fact2: Also, nematoda and rotifera are important groups contributing to soils., Question: what contributes to soils? (A) roundworms (B) humans (C) rainfall (D) cacti (E) bacteria (F) weathering (G) viruses (H) Most plants

A