What can he/she do?
He can do karate.
What can he/she do?
He can't play tennis.
What can he/she do?
He can play football.
What can he/she do?
He can't dive
What can he/she do?
She can play volleyball.
What can he/she do?
She can't skate.
What can he/she do?
She can't ride a bike.