What are they doing?
They are swimming
What is he doing?
He is windsurfing
What is he doing?
He is waterskiing
Yes, they are eating.
Are they eating at the beach?
What is he doing?
He is diving
Are they sleeping at the beach?
No they aren't. They are....
What is she doing?
She is sailing
What are we doing?
We are kayaking
What are they doing?
They are snorkeling
What is he doing?
He is surfing