TASK 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").
PROBLEM: Fact1: smell is used for finding food by some animals, Fact2: Olfaction is the sense of smell., Question: What do some animals use to find food? (A) Echinoids (B) breakfast (C) time travel (D) Energy (E) streams. (F) heat energy (G) nature (H) olfaction

SOLUTION: H

PROBLEM: Fact1: pollutants have a negative impact on the environment, Fact2: Carbon dioxide is a pollutant., Question: What affects the environment negatively? (A) sunlight (B) normal weather patterns (C) carbon dioxide (D) cigarettes (E) positivity (F) Smoking (G) harmful substances (H) fossil fuels

SOLUTION: C

PROBLEM: Fact1: Endocrine hormones travel throughout the body in the blood., Fact2: Breathing affects the flow of hormones through the endocrine system., Question: What process helps hormones travel throughout the body in the bloodstream? (A) hydration (B) mitosis (C) sleeping (D) sweating (E) oxygen (F) allow growth (G) eating (H) breathing

SOLUTION:
H