Three children are playing outdoors , two of them on a metal barrel swing .
The children are playing outdoors because it 's nice outside .
Three children are playing outdoors, two of them on a metal barrel swing.
The children are playing outdoors because it's nice outside.
The children are indeed playing outside but we don't know the reason. The temperature may actually be unpleasant.
The children are indeed playing outside but we do n't know the reason . The temperature may actually be unpleasant .