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: sandpaper is used to smooth wooden objects, Fact2: All objects, even wooden tables, are made up of molecules which vibrate to create their mass., Question: What can be used to smooth a table? (A) Wax paper (B) Sponge (C) lamphreys (D) Tissue (E) Sandpaper (F) scratching it (G) keratin (H) tiny hairs

SOLUTION: E

PROBLEM: Fact1: gravity causes objects that have mass to be pulled down on a planet, Fact2: Rocks have mass., Question: What does gravity cause to be pulled down on a planet? (A) matter (B) heat (C) earth (D) solutes (E) oceans (F) Rocks (G) people (H) Lift

SOLUTION: F

PROBLEM: Fact1: fluoride decreases tooth decay, Fact2: Tooth decay is a destruction of the tooth enamel., Question: What prevents the destruction of tooth enamel? (A) protection (B) treatment (C) Flouride (D) the cervix (E) keratin (F) estrogen (G) Soda (H) Nitrogen

SOLUTION:
C