A man in a white jacket and blue baseball cap.
Nobody has a jacket.
When nobody has a jacket then a man cannot be in a white jacket
exists s1 s2 x1 x2 x3 x4.(a_topic(x1) & in(x1,x2) & n_cap(x2) & of(x2,x4) & n_baseball(x4) & a_blue(s2) & Theme(s2,x2) & of(x2,x3) & n_jacket(x3) & a_white(s1) & Theme(s1,x2) & n_man(x1))
-exists e1 x1 x2.(Theme(e1,x2) & Actor(e1,x1) & v_have(e1) & n_jacket(x2) & n_person(x1))