watch a football match (+)
They are going to watch a football match.
have a fancy dress party (+)
They are going to have a fancy dress party.
eat pizza (?)
Is he going to eat pizza?
have a sleepover (+)
They are going to have a sleepover.
have a picnic (-)
They are not going to have a picnic.
see a play (?)
Are they going to see a play?
go to the beach (?)
Are they going to go camping?
eat at a restaurant (?)
Are they going to eat at a restaurant?
stay at home on Sunday (-)
They are not going to stay at home on Sunday.
walk to school (-)
They are not going to walk to school.