Four elementary-aged children , two boys and two girls , play on a green lawn with a tree and a building in the background .
The people are playing in a gymnasium .
Four elementary-aged children, two boys and two girls, play on a green lawn with a tree and a building in the background.
The people are playing in a gymnasium.
if you are in a gymnasium you cannot be outside on green lawn too.
if you are in a gymnasium you can not be outside on green lawn too .