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: a greenhouse is used to protect plants by keeping them warm, Fact2: Flower size varies by plant., Question: How does a greenhouse protect flowers? (A) keeps them away from the sun (B) keeps them warm (C) keeps them out of soil (D) an external framework (E) it needs them (F) keeps them cold (G) rays or beams (H) by indirect light

SOLUTION: B

PROBLEM: Fact1: Air pollution harms the respiratory and circulatory systems., Fact2: Cars are a significant source of air pollution., Question: What harms the respiratory and circulatory systems? (A) oil (B) rain (C) sulfur (D) cars (E) tires (F) coal (G) tar (H) bicycles

SOLUTION: D

PROBLEM: Fact1: Heterotrophs are living things that cannot make their own food., Fact2: Proteins are an essential nutrient for heterotrophs ., Question: What do things that cannot make their own food need as a nutrient? (A) Energy (B) metal (C) animals (D) mud (E) Energy. (F) protein (G) prototype (H) fungi

SOLUTION:
F