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: plant requires seed dispersal for reproduction, Fact2: Reproductive investment was measured as seed mass, samara size, and dispersal ability., Question: What requires investment, seed mass, size and dispersal? (A) plants (B) Species (C) animals (D) coral (E) Oak (F) gene flow (G) Frogs (H) mussels

Ex Output:
A


Ex Input:
Fact1: a stopwatch is used to measure time, Fact2: Reaction time was measured with a stopwatch in minutes and seconds., Question: What is used to measure minutes? (A) light (B) barometer (C) stopwatch (D) weater (E) thermometer (F) lamphreys (G) feedback (H) sound

Ex Output:
C


Ex Input:
Fact1: Nephrons are the structural and functional units of the kidneys., Fact2: Each nephron has a glomerulus., Question: What is part of the kidney structure? (A) thorax (B) glomerulus (C) organ (D) arteries (E) layers of fat (F) more abundant (G) pancreas (H) urine

Ex Output:

B