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: Earth 's tilt on its rotating axis causes seasons to change, Fact2: Weather changes from season to season., Question: Earth 's tilt on its rotating axis causes changes in what (A) weather (B) sunlight (C) Joules (D) wind (E) heat (F) climate (G) energy (H) earth
[A]: A

[Q]: Fact1: a light bulb converts electrical energy into light energy when it is turned on, Fact2: Light bulbs are rated in Watts., Question: How is converted energy into light energy rated? (A) energy (B) unique (C) heat (D) good (E) watts (F) parsec (G) kilojoule (H) kinetic energy
[A]: E

[Q]: Fact1: Amphibians have a relatively complex circulatory system with a three-chambered heart., Fact2: Frogs have a three-chambered heart, consisting of two atria and a single ventricle., Question: What group of animals do frogs belong to? (A) four limbs (B) animals (C) fish (D) warm-blooded (E) reptiles (F) Amphibians (G) more abundant (H) mammals
[A]:
F