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: shelter is used for protection by animals against weather, Fact2: Many animals use sponges for shelter., Question: What can animals use for protection? (A) hair (B) bushes (C) keratin (D) food (E) shells (F) appendages (G) energy (H) sponges
[A]: H


[Q]: Fact1: erosion of soil has a negative impact on the environment, Fact2: Much of the landscape is scarred by severe soil erosion., Question: What is scarred by a negative impact on the environment? (A) mines (B) deforestation (C) skin (D) bushes (E) water (F) landscape (G) coastlines (H) clouds
[A]: F


[Q]: Fact1: Cells that divide uncontrollably may form a tumor, or abnormal mass of cells., Fact2: For example, a fibroid is a tumor, a wart is a tumor, and cancers are tumors., Question: When cells start to divide uncontrollablly, they may form a what? (A) anemia (B) tissue (C) fever (D) cell (E) organ (F) fibroid (G) acid rain (H) illness
[A]:
F