A man in a blue shirt is standing at a bar.
A woman in a blue shirt is standing at a bar.
A man is different than a woman
exists e1 s1 x1 x2 x3.(at(e1,x3) & n_bar(x3) & Actor(e1,x1) & v_stand(e1) & in(x1,x2) & n_shirt(x2) & a_blue(s1) & Theme(s1,x2) & n_man(x1))
exists e1 s1 x1 x2 x3.(at(e1,x3) & n_bar(x3) & Actor(e1,x1) & v_stand(e1) & in(x1,x2) & n_shirt(x2) & a_blue(s1) & Theme(s1,x2) & n_woman(x1))