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: recycling has a positive impact on the environment, Fact2: Steel is a recycled and recyclable product., Question: What has a positive impact on the environment? (A) animals (B) bushes (C) energy (D) peachleaf willow (E) oysters (F) using steel (G) Solar energy (H) Green beans

Ex Output:
F


Ex Input:
Fact1: disease has a negative impact on an organism, Fact2: Organisms or living beings are literally things that are alive., Question: Disease has what kind of effect on a living being? (A) it has a negative effect (B) Abnormal cell growth (C) direct damage to the lungs (D) it helps living beings eat (E) it makes living beings faster (F) it is good for living beings (G) cause their death (H) Plant growth is reduced

Ex Output:
A


Ex Input:
Fact1: electricity is used as an energy source by electrical devices, Fact2: Sunlight can be converted to electricity., Question: What can be used as an energy source by devices? (A) friction (B) sunlight (C) heat (D) sun's heat (E) Light (F) cells (G) wind (H) oxygen

Ex Output:

B