A man in a gray suit is talking in front of a microphone.
The man is in a black suit.
The man's suit can't be black if it is gray.
exists e1 s1 x1 x2 x3 x4.(in(e1,x3) & of(x3,x4) & n_microphone(x4) & n_front(x3) & Actor(e1,x1) & v_talk(e1) & in(x1,x2) & n_suit(x2) & a_gray(s1) & Theme(s1,x2) & n_man(x1))
exists p1 x1.(n_man(x1) & exists s1 x2.(in(x1,x2) & n_suit(x2) & a_black(s1) & Theme(s1,x2)))