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: a light bulb is used for seeing in the dark, Fact2: Conventional light bulbs generate light by heating a filament., Question: What is helpful for seeing in the dark? (A) an electron microscope (B) an electron lens (C) microscope (D) closing the blinds (E) blackouts (F) closing your eyes (G) focusing a lens (H) heating a filament
Example Output: H

Example Input: 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
Example Output: F

Example Input: Fact1: Pregnancy is the carrying of one or more offspring from fertilization until birth., Fact2: Infertility is also the inability to carry a pregnancy to full term., Question: Carrying offspring to full term is from when? (A) fertilization until birth (B) childhood to adulthood (C) after the snow melts (D) last stage before adulthood (E) Male gametes. (F) sexually maturity (G) embryo to zygote (H) infancy to death
Example Output:
A