Definition: 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").
Input: Fact1: pesticides can cause pollution, Fact2: Pollution is the release of harmful substances into the environment., Question: Which of the following can release harmful substances into the environment? (A) vehicles (B) cigarettes (C) fossil fuels (D) Thunderstorms (E) Photosynthesis (F) Pesicides (G) Tree sap (H) mines
Output:
F