A man with graying hair brushing his teeth
A man shaves his beard.
Brushing is a different action than when someone shaves.
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 e1 x1 x2.(Theme(e1,x2) & Actor(e1,x1) & v_shave(e1) & n_beard(x2) & of(x2,x1) & n_male(x1) & n_man(x1))