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").

Ex Input:
Fact1: some animals' fur grows thicker for staying warm in the winter, Fact2: During winter, their hollow fur absorbs much heat as they sun themselves., Question: hollow fur keeps animals what (A) fats (B) camouflaged (C) safe (D) warm (E) cooled (F) liquid (G) live (H) from drowning

Ex Output:
D


Ex Input:
Fact1: crossing two living things with recessive traits causes their offspring to have that recessive trait, Fact2: Attached ear lobes is a recessive trait., Question: what can the offspring of two living things have when crossed with each other? (A) attached ear lobes (B) coded genes (C) genetic material (D) colors of the spectrum (E) fur and fat (F) food and shelter (G) haploid plants (H) genetic diversity

Ex Output:
A


Ex Input:
Fact1: better senses have a positive impact on an animal 's survival, Fact2: An antelope has such a fine sense of hearing that it senses danger long in advance., Question: Which characteristic helps an antelope survive? (A) exoskeleton (B) poor sense of smell (C) bad manners (D) protective bony armor (E) Endocrine system (F) excellent hearing (G) bad vision (H) Males and females

Ex Output:

F