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").

Example Input: 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
Example Output: G

Example Input: Fact1: chemical weathering causes iron in rock to oxidize, Fact2: Oxides Oxides Oxides are elements combined with oxygen., Question: Chemical weathering causes iron in rock to combine with what? (A) uranium (B) oxygen (C) cartilage (D) nothing (E) an object (F) vacuum (G) energy (H) heat
Example Output: B

Example Input: Fact1: heat can change the state of matter, Fact2: If the state of matter is changed, as in a liquid to a gas, it is called a change of state., Question: What can cause something to have a change of state? (A) smell (B) death (C) size (D) forces (E) sweat (F) fever (G) color (H) heat
Example Output:
H