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.

Input: Consider Input: Question: Carbon dioxide does not rise like other gases because it has a density greater than what? Answer: air

Output: Carbon dioxide does not rise like other gases because it has a density greater than air.


Input: Consider Input: Question: What do you call sound that has a wave frequency higher than the human ear can detect? Answer: ultrasound

Output: You call sound that has a wave frequency higher than the human ear can detect ultrasound.


Input: Consider Input: Question: Name the one metal that melts below room temperature? Answer: mercury


Output: Mercury is the one metal that melts below room temperature.