You will be given a definition of a task first, then some input of the task.
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: carpooling decreases the amount of cars used to travel to a place, Fact2: Less travel leads to fewer car or plane emissions, and less pollution., Question: What leads to less emissions and less pollution? (A) energy (B) trucks (C) electricity (D) power (E) jets (F) motorcycles (G) hydration (H) carpooling
Output:
H