There is a man in a black trench coat.
A man is topless.
The man can not be topless if he is in a black trench coat
exists p1 x1 s1 x2 x3 x4.((x1 = x2) & in(x2,x3) & n_coat(x3) & of(x3,x4) & n_trench(x4) & a_black(s1) & Theme(s1,x3) & n_man(x2))
exists s1 x1.(Theme(s1,x1) & a_topless(s1) & n_man(x1))