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: Evolution occurs by a process called natural selection., Fact2: Adaptation is the result of natural selection., Question: What leads to evolution? (A) Plants growth (B) competition (C) Adatation (D) our star (E) Experimentation (F) Stagnation (G) environment (H) Information

SOLUTION: C

PROBLEM: Fact1: heat can change the state of matter, Fact2: Matter exists in a solid, liquid or gas state and can change forms., Question: _ can change liquid to gas. (A) magnetism (B) cycles (C) energy (D) vapors (E) condensation (F) gravity (G) thirst (H) Heat

SOLUTION: H

PROBLEM: Fact1: Bone is less flexible than cartilage but stronger., Fact2: Articular cartilage is the cartilage that covers the bone and the joint areas., Question: bone is stronger but less what than the material that covers it (A) surface (B) weight (C) flexible (D) key element (E) damaging (F) viscous (G) fluid (H) money

SOLUTION:
C