A group of children are playing on swings.
The children are playing on swings.
A group of children can easily be referred to as children.
exists e1 x1 x2 x3.(on(e1,x3) & n_swing(x3) & Actor(e1,x1) & v_play(e1) & of(x1,x2) & n_child(x2) & n_group(x1))
exists e1 x1 x2.(n_child(x1) & on(e1,x2) & n_swing(x2) & Actor(e1,x1) & v_play(e1))