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").
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Question: 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

Answer: E

Question: Fact1: sugar causes food to taste sweet, Fact2: Favorite foods are cakes, noodles, rice, eggs and fruits., Question: What tastes sweet due to sugar? (A) diet soda (B) corn (C) ice (D) water (E) apple (F) coffee (G) cake (H) sugar

Answer: G

Question: Fact1: sandpaper is used to smooth wooden objects, Fact2: Scrap wood can be used for cheap wooden bins., Question: What is used to smooth wood? (A) hairs (B) cilia (C) feedback (D) lamphreys (E) sandpaper (F) pulp (G) keratin (H) fluid

Answer:
E