TASK DEFINITION: In this task, you are given a sentence and a question, you would be asked to create the answer which is contained in the sentence provided.
PROBLEM: Sentence: You call the high and low points of transverse waves crests and troughs. Question: What do you call the high and low points of transverse waves?

SOLUTION: crests and troughs

PROBLEM: Sentence: The term half-life decribes the amount of time required for half of the original material to decay in an isotope. Question: What term decribes the amount of time required for half of the original material to decay in an isotope?

SOLUTION: half-life

PROBLEM: Sentence: Correlation is the comparison of two factors within a population. Question: What is the comparison of two factors within a population?

SOLUTION:
correlation