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: How much can the bacteria in your gut weigh? Answer: 2 pounds

SOLUTION: 2 pounds much can the bacteria in your gut weigh.

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: What is manufactured and added to foods to preserve freshness? Answer: trans fat

SOLUTION:
Trans fat is manufactured and added to foods to preserve freshness.