A man with graying hair brushing his teeth
Man cleaning teeth
The man is not necessarily cleaning his teeth.
exists e1 e2 x1 x2 x3 x4.(a_topic(x1) & Theme(e2,x4) & Actor(e2,x3) & v_brush(e2) & n_tooth(x4) & of(x4,x1) & n_male(x1) & (x1 = x3) & with(x1,x2) & n_hair(x2) & Actor(e1,x2) & v_gray(e1) & n_man(x1))
exists x1 x2 x3.(n_tooth(x1) & of(x1,x3) & n_cleaning(x3) & of(x1,x2) & n_man(x2) & a_topic(x1))