A photographer is having a conversation with a woman.
A photographer is having a conversation with a man.
man is not a woman
exists e1 x1 x2 x3.(Theme(e1,x2) & Actor(e1,x1) & v_have(e1) & with(x2,x3) & n_woman(x3) & n_conversation(x2) & n_photographer(x1))
exists e1 x1 x2 x3.(Theme(e1,x2) & Actor(e1,x1) & v_have(e1) & with(x2,x3) & n_man(x3) & n_conversation(x2) & n_photographer(x1))