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: having food has a positive impact on an organism 's health, Fact2: Birds and animals eat such food ., Question: What generally has a positive impact on an organism's health? (A) stay warm (B) sex with multiple partners (C) smoking (D) exercise (E) nutrients (F) eating (G) Cooking (H) fasting

Ex Output:
F


Ex Input:
Fact1: Echinoderms lack a centralized nervous system., Fact2: Sand dollars and sea biscuits are also echinoderms., Question: What lacks a centralized nervous system? (A) Damaged hearing (B) Humans (C) Horses (D) Sand dollars (E) insects (F) Chickens (G) Pesticides (H) barnacles

Ex Output:
D


Ex Input:
Fact1: evaporation can be used for separating a solute from a solvent in a solution, Fact2: Girls and boys residences are separate and far apart., Question: Evaporation can be used to move a solvent apart from: (A) heat (B) Temperature (C) Water (D) heat energy (E) all liquids (F) vaporization (G) evaporation (H) a solute

Ex Output:

H