A crowd of people walk next to a train.
There is a crowd of people
They are next to a lake.
A football player attempting to make a sack.
Hilary stays at the Hilton when in New York.
Two people are sitting in a tree house in the middle of the forest.
This is as sound a strategy as can be found.
A group of bicyclists ride down a city street
I think it is a great idea, but I'm not certain that it should be mandatory.