Two people of the opposite sex sitting on a bench.
A man and a women are standing.
A person can not sit while standing.
exists e1 s1 x1 x2 x3 x4.(n_sex(x2) & a_opposite(s1) & Theme(s1,x2) & a_topic(x1) & of(x1,x2) & on(e1,x4) & n_bench(x4) & Actor(e1,x3) & v_sit(e1) & (x2 = x3) & n_people(x1) & card_eq_2(x1))
exists e1 x1 x2 x3.(Actor(e1,x1) & v_stand(e1) & subset_of(x3,x1) & n_woman(x3) & subset_of(x2,x1) & n_man(x2))