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: Female monotremes lack a uterus and vagina., Fact2: Monotremes are mammals that lay eggs., Question: What do some female mammals lack? (A) epidermal (B) vision (C) uterus (D) alleles (E) fur (F) a cuticle (G) eardrum (H) alveoli
[A]: C


[Q]: Fact1: electricity is used as an energy source by electrical devices, Fact2: Electrical fields result from electrical devices and televisions., Question: What is used as an energy source by television? (A) electricity (B) light (C) our nearest star (D) air (E) energy (F) satellites (G) photons (H) rocks
[A]: A


[Q]: Fact1: Earth 's tilt on its rotating axis causes seasons to change, Fact2: Winter is a special season., Question: What does tilt cause on Earth? (A) solar flares (B) blizzards (C) cracks (D) rocks (E) Winter (F) heat (G) climate (H) erosion
[A]:
E