TASK DEFINITION: Given a statement and question, generate the answer to the question such that the answer is contained in the statement.
PROBLEM: statement: insects can destroy corn crops, question: What can destroy corn crops?

SOLUTION: insects

PROBLEM: statement: an optical system is used for observing stars by researchers, question: What is used for observing stars by researchers?

SOLUTION: an optical system

PROBLEM: statement: the brain receives impulses, question: What does the brain receive?

SOLUTION:
impulses