Teacher: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").
Teacher: Now, understand the problem? Solve this instance: Fact1: riding a bike does not cause pollution, Fact2: Air pollution Air pollution is a major threat to health., Question: Riding a bike does not cause what? (A) Greenhouse gasses (B) forward motion (C) harmful substances (D) wear on tires (E) Greenhouse gases (F) major threat to health (G) contamination (H) sore bottom
Student:
F