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: Some touch receptors sense differences in temperature or pain., Fact2: Touch receptors are a type of mechanoreceptor., Question: some mechanoreceptors sense what in temperature? (A) Energy (B) Energy. (C) hunger (D) pain (E) differences (F) kinetic energy (G) heat energy (H) similarities

A: E
****
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: Animals may compete for territory, water, food, or mates., Fact2: Animals and plants compete for energy, water, and space., Question: What do animals compete for? (A) warmth (B) territory (C) food supply (D) to stay alive (E) environment (F) asteroids (G) clothing (H) sports

A:
B
****