Q: You are given a passage. You need to construct a question about the information present in the passage. Construct a question in such a way that (i) it is unambiguous, (ii) its answer is the whole paragraph. Avoid creating questions that can be answered correctly without actually understanding the paragraph.
monkey-see monkey-do. Dr. Steven M. Platek has said that we yawn b/c we are unconciously imitating other humans. (probably some kind of evolution thing) I guess there are many other species that yawn...fish, cats...(i would totally pay to see a fish yawn!).
By the way although it used to be believed that it was to get more oxygen, this, however, is not true.
A:
Why is yawning contagious?