Is she going to go fishing?
Yes, she is.
Are they going to go jet skiing?
Yes, they are.
What is she going to do?
She's going to go diving.
Is she going to go camping?
No, she isn't.
Is he going to go scuba diving?
Yes, he is.
What is he going to do?
He is going to go sunbathing.
What are they going to do?
They are going to go snorkelling.
Are they going to go windsurfing?
No, they aren't.