A woman playing trains with a child.
The woman is playing school with the child.
The woman is either playing trains or playing school with the child. The two activities are different.
exists e1 x1 x2 x3 x4.(a_topic(x1) & with(e1,x4) & n_child(x4) & Theme(e1,x3) & Actor(e1,x2) & v_play(e1) & n_train(x3) & (x1 = x2) & n_woman(x1))
exists e1 x1 x2 x3.(n_child(x3) & n_woman(x1) & with(e1,x3) & Theme(e1,x2) & Actor(e1,x1) & v_play(e1) & n_school(x2))