Many people are walking along a street.
There is a baby alone on the street.
Many people refer to more that a baby alone.
exists e1 x1 x2.(along(e1,x2) & n_street(x2) & Actor(e1,x1) & v_walk(e1) & n_people(x1) & n_quantity(x1))
exists p1 x1 x3.(n_street(x3) & exists x2.((x1 = x2) & on(x2,x3) & r_alone(x2) & n_baby(x2)))