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: Pregnancy is the carrying of one or more offspring from fertilization until birth., Fact2: An elephant pregnancy lasts about 22 months., Question: How long is the time from fertilization until birth for an elephant? (A) minutes (B) fewer (C) winter (D) 22 months (E) eight (F) Ages 0 to 3 (G) 86400 (H) calibrated

Ex Output:
D


Ex Input:
Fact1: a mutation in the sex cells of a parent can cause a new trait to appear in the parent 's offspring, Fact2: Animals that reproduce sexually produce sex cells, or gametes., Question: a mutation in the _ of a parent can cause a new trait to appear in the parent 's offspring (A) eggs (B) courtship (C) mitochondria (D) alleles (E) pollen (F) gametes (G) ATP (H) hormones

Ex Output:
F


Ex Input:
Fact1: Most plants grow roots down into the soil to absorb water and minerals., Fact2: All plants are of bush type., Question: what grows roots down into the soil to absorb water and minerals? (A) humans (B) bushes (C) burrs (D) Trees (E) hydrogen (F) h2o (G) Oak (H) potatoes

Ex Output:

B