Two clowns speak into a microphone.
Two clowns doing a comedy routine.
Not all the clowns are doing comedy over the microphone
exists e1 x1 x2.(into(e1,x2) & n_microphone(x2) & Actor(e1,x1) & v_speak(e1) & n_clown(x1) & card_eq_2(x1))
exists e1 x1 x2 x3 x4.(a_topic(x1) & Theme(e1,x3) & Actor(e1,x2) & v_do(e1) & n_routine(x3) & of(x3,x4) & n_comedy(x4) & (x1 = x2) & n_clown(x1) & card_eq_2(x1))