One person is wearing a green shirt while sleeping on the sidewalk while another person wearing black pants is sleeping on the stairs.
Two people are sleeping outdoors.
one person and another person is two people. If one is on the sidewalk, that would be outdoors.
exists e2 e1 p1 s1 x1 x2 x3 x7.(n_stair(x7) & n_sidewalk(x3) & while(e1,e2) & exists e4 e3 s2 x4 x5 x6.(on(e4,x7) & Actor(e4,x4) & v_sleep(e4) & Theme(e3,x6) & Actor(e3,x5) & v_wear(e3) & n_pants(x6) & a_black(s2) & Theme(s2,x6) & (x4 = x5) & n_person(x4) & -(x4 = x1)) & n_person(x1) & n_person(x1) & while(e2,p1) & on(e2,x3) & Actor(e2,x1) & v_sleep(e2) & Theme(e1,x2) & Actor(e1,x1) & v_wear(e1) & n_shirt(x2) & a_green(s1) & Theme(s1,x2) & card_eq_1(x1))
exists e1 x1 x2.(Theme(e1,x2) & Actor(e1,x1) & v_sleep(e1) & n_outdoors(x2) & n_people(x1) & card_eq_2(x1))