A man with a watch on his left wrist, plays a Yamaha keyboard.
A man wearing a watch plays the keyboard.
A man with a watch on his right wrist plays the keyboard.
A man is talking while wearing nothing but his boxers.
Because of this, there is a reason why the universe exists.
I live in a bad area, my papers get stolen a lot.
Tuppence spoke like an educated girl.
People wait outside.
The 1996 PM Criteria Document (US EPA, 1996a) summarizes a lot of this literature.