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").

[Q]: Fact1: Mutualism is a symbiotic relationship in which both species benefit., Fact2: Dogs and humans are symbiotic species., Question: what exists between dogs and humans? (A) mutualism (B) gravity (C) communication (D) antigens (E) several genes (F) space between (G) electrons (H) german shepherd
[A]: A

[Q]: Fact1: being distracted while driving can cause people to crash their car, Fact2: Cell phones are a distraction to driving., Question: What can cause people to crash their car? (A) Driving the speed limit (B) energy of moving objects (C) Greenhouse gases (D) Using turn signals (E) fossil fuels (F) smoking cigarettes (G) Keeping their eyes on the road (H) Using a cell phone
[A]: H

[Q]: Fact1: Immunity results from immunization., Fact2: Serious side effects resulting from vaccination are extremely rare., Question: What leads to immunity and extremely rarely with serious side effects? (A) hydration (B) peachleaf willow (C) homeopathy (D) veterinarians (E) vaccination (F) Allergies (G) exposure (H) Chemical energy
[A]:
E