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").
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Question: Fact1: a light bulb is used for seeing in the dark, Fact2: Light is emitted by a light bulb., Question: What is required for seeing? (A) dark (B) sun (C) light (D) wind (E) retina (F) eyes (G) photons (H) copper

Answer: C


Question: Fact1: Most pituitary hormones control other endocrine glands., Fact2: An abnormal endocrine gland is often blamed for producing obesity., Question: pituitary hormones can be blamed for what? (A) a lot of human deaths (B) Plant growth is reduced (C) harmful substances (D) Dehydration (E) matter vibrating (F) producing obesity (G) major threat to health (H) Leptospirosis

Answer: F


Question: Fact1: Amphibians are the first true tetrapods, or vertebrates with four limbs., Fact2: Animals with backbones are called vertebrates., Question: amphibians are the first true what with four limbs? (A) members of their own species (B) to move people (C) warm-blooded (D) Due to their feet (E) animals with backbones (F) remains of prehistoric life (G) Something to move (H) Generating heat

Answer:
E