There are four people dressed in orange clothes walking down the street.
The prisoners are walking down the street picking up trash.
Not all people in orange are prisoners. Not all people walking on the street are picking up trash.
exists p1 x1 x7.(n_street(x7) & exists e2 e1 x2 x3 x4 x5 x6.((x1 = x2) & in(e1,x4) & down(e2,x7) & Actor(e2,x6) & v_walk(e2) & (x4 = x6) & n_clothes(x4) & of(x4,x5) & n_orange(x5) & Theme(e1,x3) & v_dress(e1) & (x2 = x3) & n_people(x2) & card_eq_4(x2)))
exists e2 e1 s1 x1 x2 x3.(n_street(x2) & n_prisoner(x1) & for(e1,e2) & a_up(s1) & Manner(e2,s1) & Theme(e2,x3) & Actor(e2,x1) & v_pick(e2) & n_trash(x3) & down(e1,x2) & Actor(e1,x1) & v_walk(e1))