The baby pinches the woman's cheek.
the baby slapped the womans face.
Pinches and slapped are two contradictory actions.
exists e1 x1 x2 x3.(n_cheek(x3) & of(x3,x2) & n_woman(x2) & n_baby(x1) & Theme(e1,x3) & Actor(e1,x1) & v_pinch(e1))
exists e1 x1 x2 x3.(n_face(x2) & of(x2,x3) & n_woman(x3) & n_baby(x1) & Theme(e1,x2) & Actor(e1,x1) & v_slap(e1))