Many people waiting to cross the street.
a single person crosses a street
When  many people are there , there cannot be a single person.
exists e1 p1 x1 x2 x3.(n_street(x3) & a_topic(x1) & Topic(e1,p1) & Actor(e1,x2) & v_wait(e1) & exists e2.(Theme(e2,x3) & Actor(e2,x2) & v_cross(e2)) & (x1 = x2) & n_people(x1) & n_quantity(x1))
exists e1 s1 x1 x2.(Theme(e1,x2) & Actor(e1,x1) & v_cross(e1) & n_street(x2) & n_person(x1) & a_single(s1) & Theme(s1,x1))