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").

Fact1: plasma is formed by electrons separating from atoms in stars, Fact2: Stars shine because they are hot ., Question: What is plasma? (A) hot (B) fungible (C) cell (D) gas (E) p53 (F) TRH (G) calm (H) fickle
A