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").

Fact1: Courtship is behavior that is intended to attract a mate., Fact2: Complex courtship rituals precede mating., Question: What are behavior that is intended to attract a mate? (A) a doorbell (B) firm hugs (C) Complex rituals (D) Riding a bike (E) Behaviour modifications (F) Magnets (G) honeybees (H) Friendship
C

Fact1: a light bulb converts electrical energy into light energy when it is turned on, Fact2: Fluorescent light bulbs use half the electricity of standard bulbs., Question: What do flourescent bulbs do? (A) Change colors (B) reproduce (C) staying warm (D) dormant state (E) direct energy (F) spread flower seeds (G) use less energy (H) duplicate itself
G

Fact1: Nephrons are the structural and functional units of the kidneys., Fact2: Mammalian kidneys form urine in nephrons., Question: Where do mammals make urine? (A) Kidneys (B) liver (C) alveoli (D) bladder (E) liquid (F) organ (G) toilets (H) sweating
A