Now suppose anyone wished to pass himself off as John or Lawrence Cavendish. 
Imagine anyone wanting to impersonate John or Lawrence Cavendish.
Don't consider the idea of anyone attempting to impersonate Lawrence Cavendish.
Jon didn't think that his idea would be widely liked.
A woman is walking.
The program management contract method deals with giving project management functions to in-house groups.
Some children are outdoors playing catch.
Some girls are dancing in ballet class.
A man is playing the piano for the audience.