A man in a black shirt is singing into a microphone.
A man sings.
sings is another form of singing
exists e1 s1 x1 x2 x3.(into(e1,x3) & n_microphone(x3) & Actor(e1,x1) & v_sing(e1) & in(x1,x2) & n_shirt(x2) & a_black(s1) & Theme(s1,x2) & n_man(x1))
exists x1 x2.(a_topic(x1) & n_sing(x1) & of(x1,x2) & n_man(x2))