A woman pushes a child on a swing on a playground with other children.
The woman is sitting on a swing.
A woman pushes a child on a swing can not be sitting on a swing herself.
exists e1 x1 x2 x3 x4 x5.(on(e1,x3) & on(x3,x4) & with(x4,x5) & -(x5 = x2) & n_child(x2) & n_child(x2) & n_child(x5) & n_playground(x4) & n_swing(x3) & Theme(e1,x2) & Actor(e1,x1) & v_push(e1) & n_woman(x1))
exists e1 x1 x2.(n_woman(x1) & on(e1,x2) & n_swing(x2) & Actor(e1,x1) & v_sit(e1))