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: when a metal rusts , that metal becomes orange on the surface, Fact2: Cast-iron and steel surfaces are susceptible to corrosion in the form of rust., Question: Cast-iron and steel surfaces are susceptible to becoming what on the surface? (A) hardness (B) solid (C) irritants (D) acids (E) orange (F) heat (G) Unsafe (H) damaging

Ex Output:
E

Ex Input:
Fact1: Butter is a fat that is a solid at room temperature., Fact2: Some fats are more likely to cause heart disease., Question: What can butter lead to? (A) Heart disease (B) air pollution (C) reproduction (D) destruction (E) religion (F) trees (G) heating (H) Tooth pain

Ex Output:
A

Ex Input:
Fact1: ultraviolet light causes sunburn, Fact2: Ultraviolet Rays Ultraviolet rays are more powerful at elevation., Question: Where are you more likely to get a sunburn? (A) at elevation (B) the skin (C) on covered places (D) at sea level (E) chemical reaction (F) dry and hot (G) on your bottom (H) near the shoreline

Ex Output:
A