Are they windsurfing?
They aren't windsurfing. They're sailing.
Is she surfing?
She isn't surfing. She's waterskiing.
Are they scuba diving?
They aren't scuba diving. They're kayaking.
Is he sailing?
He isn't sailing. He's (scuba) diving.
Is she surfing?
She isn't surfing. She's waterskiing.
Is she waterskiing?
She isn't waterskiing. She's snorkeling.
Is he kayaking?
He isn't kayaking. He's surfing.
Is he snorkeling?
He isn't snorkeling. He's swimming.
Is he snorkeling?
He isn't snorkeling. He's swimming.
Is he windsurfing?
He isn't windsurfing. He's surfing.
Are they swimming?
They aren't swimming. They're kayaking.