A man and a woman standing in a busy city square.
They are standing in an open field.
They are either standing in an open field, or a busy city square.
exists s1 s2 x1 x2 x3 x4 x5.(a_topic(s1) & subset_of(x2,s1) & in(x2,x4) & n_square(x4) & of(x4,x5) & n_city(x5) & a_busy(s2) & Theme(s2,x4) & n_standing(x2) & of(x2,x3) & n_woman(x3) & subset_of(x1,s1) & n_man(x1))
exists e1 s1 x1.(in(e1,x1) & n_field(x1) & a_open(s1) & Theme(s1,x1) & Actor(e1,x1) & v_stand(e1) & n_thing(x1))