Is she good at skiing?
Yes, she's very good at it.
Is he good at in-line skating?
No, he's not very good at it.
Is he good at skateboarding?
Yes, he's very good at it.
Is she good at ice-skating?
Yes, she's very good at it.
Is she good at surfing?
No, she's not very good at it.
Is he good at snowboarding?
No he's not very good at it.
