TASK DEFINITION: In this task, you are given a question and an answer, you would be asked to create the sentence based on the Question-Answer provided. It should be contained within the Question-Answer provided.
PROBLEM: Question: When do weather balloons return to earth? Answer: when it bursts

SOLUTION: When it bursts do weather balloons return to earth.

PROBLEM: Question: What works by selecting for alleles that confer beneficial traits or behaviors, while selecting against those for deleterious qualities? Answer: natural selection

SOLUTION: Natural selection works by selecting for alleles that confer beneficial traits or behaviors, while selecting against those for deleterious qualities.

PROBLEM: Question: Which of these is MOST likely the hardest to bend? Answer: Wooden board

SOLUTION:
Wooden board of these is most likely the hardest to bend.