A guy is singing into a microphone.
The man has his mouth open.
the man could be called a guy too
exists e1 x1 x2.(into(e1,x2) & n_microphone(x2) & Actor(e1,x1) & v_sing(e1) & n_guy(x1))
exists e1 x1 x2 x3.(n_open(x2) & of(x2,x3) & n_mouth(x3) & of(x2,x1) & n_male(x1) & n_man(x1) & Theme(e1,x2) & Actor(e1,x1) & v_have(e1))