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: ultraviolet light causes sunburn, Fact2: Serious skin cancer is caused by sunburns in childhood., Question: What can develop as a result of too much exposure to ultraviolet light in childhood? (A) Sunflower syndrome (B) influenza (C) Hearing loss (D) hyperthyroidism (E) disease (F) symptoms (G) Lung cancer (H) Skin cancer
[EX A]: H

[EX Q]: Fact1: Most people can survive only a few days without water., Fact2: Water is the best fluid for hydration., Question: What can people only survive a few days without? (A) dehydration (B) hydration (C) bacteria (D) sodium (E) food (F) yogurt (G) Chlorophyll (H) oxygen
[EX A]: B

[EX Q]: Fact1: Shivering occurs when many muscles contract a little bit all at once., Fact2: Involuntary contractions, shivering, cause the production of heat., Question: What occurs when many muscles contract a little bit all at once? (A) the production of cells (B) preventing heat transfer (C) To keep their body heat. (D) the production of heat (E) Generating heat (F) recovery time from fatigue (G) the production of cold (H) the production of skin
[EX A]:
D