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").

[EX Q]: Fact1: disease has a negative impact on an organism, Fact2: Organisms or living beings are literally things that are alive., Question: Disease has what kind of effect on a living being? (A) it has a negative effect (B) Abnormal cell growth (C) direct damage to the lungs (D) it helps living beings eat (E) it makes living beings faster (F) it is good for living beings (G) cause their death (H) Plant growth is reduced
[EX A]: A

[EX Q]: Fact1: an animal usually requires a warm body temperature for survival, Fact2: Squirrels hide and sleep in a secret warm place all winter., Question: What requires hiding and sleeping for survival? (A) bacteria (B) rice (C) amphibians (D) organisms (E) Frogs (F) trees (G) humans (H) animals
[EX A]: H

[EX Q]: Fact1: heating salt water causes the water to evaporate while the salt remains, Fact2: When water evaporates, salts in the water remain and become more concentrated., Question: What increases in concentration when water evaporates? (A) nektar (B) sugar (C) sweat (D) salt (E) potash (F) Gases (G) maples (H) energy
[EX A]:
D