Two lovers walking on the street.
people walk on street
There are two people waling on a street.
exists e1 x1 x2 x3.(n_street(x3) & a_topic(x1) & on(e1,x3) & Actor(e1,x2) & v_walk(e1) & (x1 = x2) & n_lover(x1) & card_eq_2(x1))
exists e1 x1 x2.(on(e1,x2) & n_street(x2) & Actor(e1,x1) & v_walk(e1) & n_people(x1))