Elderly man smiling behind a bar.
A young woman at a bar.
A person is either an elderly man or a young woman.
exists e1 s1 x1 x2 x3.(a_topic(x1) & behind(e1,x3) & n_bar(x3) & Actor(e1,x2) & v_smile(e1) & (x1 = x2) & n_man(x1) & a_elderly(s1) & Theme(s1,x1))
exists s1 x1 x2.(a_topic(x1) & at(x1,x2) & n_bar(x2) & n_woman(x1) & a_young(s1) & Theme(s1,x1))