A man does a back flip into a pool while onlookers watch.
A man is at a pool.
A man rides his bicycle in a park.
The leather was made from human skin.
Two people push a full cart down a busy street.
I am worried he won't be arrested.
There is a man walking.
Newspapers can deliver to all addresses while the Postal Service can only deliver to a select few.
The most expensive approach to operating the electric power system subjects to specific constraints.