Many people in white shirts are walking down a street.
There are people on a street.
If people are walking down a street, then the people are on a street
exists e1 s1 x1 x2 x3.(down(e1,x3) & n_street(x3) & Actor(e1,x1) & v_walk(e1) & in(x1,x2) & n_shirt(x2) & a_white(s1) & Theme(s1,x2) & n_people(x1) & n_quantity(x1))
exists p1 x1 x2 x3.((x1 = x2) & on(x2,x3) & n_street(x3) & n_people(x2))