Man in a black blazer singing or speaking into a microphone, may be a musician or public speaker.
A man is wearing black.
A man has to be wearing black in order to be in a black blazer.
exists e1 p1 s1 x1 x2.(exists p2.(exists x7.((x1 = x7) & n_musician(x7)) | exists s2 x8.((x1 = x8) & n_speaker(x8) & a_public(s2) & Theme(s2,x8))) & Topic(e1,p1) & Actor(e1,x1) & v_may(e1) & in(x1,x2) & (exists e2 x3 x4.(Theme(e2,x4) & Actor(e2,x3) & v_sing(e2) & n_microphone(x4) & (x2 = x3)) | exists e3 x5 x6.(into(e3,x6) & n_microphone(x6) & Actor(e3,x5) & v_speak(e3) & (x2 = x5))) & n_blazer(x2) & a_black(s1) & Theme(s1,x2) & n_man(x1))
exists e1 p1 x1.(exists s1.(Theme(s1,x1) & a_black(s1)) & Topic(e1,p1) & Actor(e1,x1) & v_wear(e1) & n_man(x1))