A group of people sitting in on a conference and listening to the guest speaker.
The people are listening to the guest speaker.
The people are not listening.
Best practices can be informed by new research.
Their breath was invisible in the hot air.
Castor and Pollux are the patron saints of sailors.
A little girl is running up the steps.
He would kill them all if they had hurt Susan.
There a some boys playing with a ball in a park.