Task: Paraphrasing
Input (English): Question: Which of the following is true regarding the properties of an air mass? 
Answer: An air mass has similar temperature and moisture properties throughout it. 
Sentence: One of the properties of an air mass is that an air mass has similar temperature and moisture properties throughout it.
Output (English): There are many qualities of an air mass, one of which is that it will have a similar temperature and moisture content throughout.