are/ They/ . / walking
They are walking.
buying / ./ He / is / a / balloon
He is buying a balloon.
supermarket / They / in / . / the / are
They are in the supermarket.
balloon / popped / The / up /.
The balloon popped up.
bathroom / is / He /. / going / to / the
He is going to the bathroom.
away / is / balloon / flying/ A / .
A balloon is flying away.
