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: Which part of the atmosphere do greenhouse gasses trap heat in? Answer: troposphere
Example Output: Troposphere part of the atmosphere do greenhouse gasses trap heat in.

Example Input: Question: Fruit fly and brine shrimp hox genes have evolved independently for how long? Answer: 400 million years
Example Output: Fruit fly and brine shrimp hox genes have evolved independently for 400 million years long.

Example Input: Question: What of a electromagnetic wave can be calculated using the wave equation due to their speed always being constant? Answer: frequency
Example Output:
Frequency of a electromagnetic wave can be calculated using the wave equation due to their speed always being constant.