A man shaving neck with razor.
The man is brushing his teeth.
he can't be both shaving and brushing his teeth.
exists e1 x1 x2 x3 x4.(a_topic(x1) & with(e1,x4) & n_razor(x4) & Theme(e1,x3) & Actor(e1,x2) & v_shave(e1) & n_neck(x3) & (x1 = x2) & n_man(x1))
exists e1 x1 x2.(n_tooth(x2) & of(x2,x1) & n_male(x1) & n_man(x1) & Theme(e1,x2) & Actor(e1,x1) & v_brush(e1))