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: Interstellar space contains a plasma., Question: what contains electrons, atoms, and stars? (A) The atmosphere (B) the sun (C) nucleus of a cell (D) fossil fuels (E) oceans (F) interstellar space (G) objects that have mass (H) h2o
F