Two girls are crossing the street.
Two people cross a street.
girls are crossing the street means people cross a street
exists e1 x1 x2.(n_street(x2) & Theme(e1,x2) & Actor(e1,x1) & v_cross(e1) & n_girl(x1) & card_eq_2(x1))
exists e1 x1 x2.(Theme(e1,x2) & Actor(e1,x1) & v_cross(e1) & n_street(x2) & n_people(x1) & card_eq_2(x1))