A woman in speaking in a theater.
A man in speaking in a theater.
The woman cannot be a man.
exists x1 x2 x3.(a_topic(x1) & in(x1,x3) & n_theater(x3) & in(x1,x2) & n_speaking(x2) & n_woman(x1))
exists x1 x2 x3.(a_topic(x1) & in(x1,x2) & in(x2,x3) & n_theater(x3) & n_speaking(x2) & n_man(x1))