do judo
She isn't doing judo. She's doing ballet.
do ballet
He isn't doing ballet. He's doing karate.
play basketball
The dog isn't playing basketball. It's playing chess.
play chess
They aren't playing chess. They're playing football.
play football
He isn't playing football. He's playing tennis.
play tennis
They aren't playing tennis. They're playing basketball.
play the guitar
They aren't playing the guitar. They're playing the piano.
play the piano
He isn't playing the piano. He's playing the drums.
eat sausages
She isn't eating sausages. She's eating cereal.
