Two parents walk past each other on the street with their kids in strollers.
truck racing fast
Two parents walking and a truck racing fast are two entirely different descriptions
exists e1 x1 x2 x3 x4.(n_kid(x3) & of(x3,x2) & n_thing(x2) & n_street(x2) & with(e1,x3) & in(x3,x4) & n_stroller(x4) & on(e1,x2) & all x5.(n_other(x5) -> past(e1,x5)) & Actor(e1,x1) & v_walk(e1) & n_parent(x1) & card_eq_2(x1))
exists s1 x1 x2.(Theme(s1,x1) & a_fast(s1) & n_racing(x1) & of(x1,x2) & n_truck(x2))