A sun-glassed man plays the drums.
A man is cooking his dinner.
One is playing the drums the other is cooking.
exists e1 s1 x1 x2.(n_drum(x2) & Theme(e1,x2) & Actor(e1,x1) & v_play(e1) & n_man(x1) & a_sun-glassed(s1) & Theme(s1,x1))
exists e1 x1 x2.(Theme(e1,x2) & Actor(e1,x1) & v_cook(e1) & n_dinner(x2) & of(x2,x1) & n_male(x1) & n_man(x1))