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.

Example Input: Question: Enzymes speed up the rate of a specific chemical reaction and is therefore known as what? Answer: biochemical catalysts
Example Output: Enzymes speed up the rate of a specific chemical reaction and are therefore known as biochemical catalysts.

Example Input: Question: What is a byproduct from the combustion of fossil fuels like coal and gasoline? Answer: nitrogen dioxide
Example Output: Nitrogen dioxide is a byproduct from the combustion of fossil fuels like coal and gasoline.

Example Input: Question: How do invertebrates reproduce? Answer: sexually
Example Output:
Sexually do invertebrates reproduce.