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: volcanic ash in the atmosphere decreases the temperature by blocking the sun, Fact2: Supersaturation is inferred to be a common state for atmospheric haze particles., Question: What decreases the temperature by blocking the Sun? (A) cilia (B) the Sun (C) the wind (D) haze (E) ice (F) fat (G) rain (H) acids

SOLUTION: D

PROBLEM: Fact1: a plant requires sunlight to grow, Fact2: Sunlight is turned into energy by plants., Question: Sunlight is made of  (A) Prism (B) lightning (C) colors (D) glass (E) chlorophyll (F) dirt (G) energy (H) photons

SOLUTION: G

PROBLEM: Fact1: Many nucleotides bind together to form a chain called a polynucleotide., Fact2: Nucleotides are the building blocks of DNA ., Question: what are the building blocks of DNA? (A) Plants growth (B) Plant reproduction (C) Organic compounds (D) it needs them (E) Earth orbiting the Sun (F) major threat to health (G) Chemical energy (H) polynucleotides

SOLUTION:
H