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").

Example Input: 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
Example Output: C

Example Input: Fact1: if an object is in the sunlight then that object will absorb solar energy, Fact2: Solar panels absorb energy from the sun., Question: What absorbs sunlight?  (A) organic molecules (B) Earth orbiting the Sun (C) living things (D) A tree at night. (E) A plant in a shady room. (F) Solar panels on a roof. (G) Water in a dark room. (H) They have thick fur
Example Output: F

Example Input: Fact1: Organs of excretion make up the excretory system., Fact2: Excretion begins with the kidneys., Question: Kidneys are a part of what system? (A) allow growth (B) excretory (C) respiratory (D) organ (E) complex (F) storing water (G) endocrine (H) circulatory
Example Output:
B