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").

Q: Fact1: creating paper requires cutting down trees, Fact2: Deforestation takes place when trees are cut down in the rainforest., Question: What can cause deforestation? (A) Planting flowers (B) Creating paper (C) Greenhouse gases (D) Filtering water (E) Greenhouse gasses (F) Cutting grass (G) Pesticides (H) Pollution

A: B
****
Q: 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

A: C
****
Q: Fact1: Insects may live in large colonies and have complex social behaviors., Fact2: Ants are social insects that live in a colony., Question: what have complex behaviors? (A) otters (B) atoms (C) ants (D) Wasps (E) volume (F) h2o (G) Birds (H) cats

A:
C
****