Four black children smiling and eating their lunch on the ground.
Four kids are eating sandwiches.
Eating lunch does not imply that children are eating sandwiches.
exists e1 e2 s1 s2 x1 x2 x3 x4 x5 x6 x7.(n_ground(x7) & n_ground(x3) & Theme(e2,x6) & Actor(e2,x4) & v_eat(e2) & on(x6,x7) & n_lunch(x6) & of(x6,x5) & n_thing(x5) & n_child(x4) & a_black(s2) & Theme(s2,x4) & card_eq_4(x4) & Theme(e1,x2) & Actor(e1,x1) & v_smile(e1) & on(x2,x3) & n_lunch(x2) & of(x2,x1) & n_thing(x1) & n_child(x1) & a_black(s1) & Theme(s1,x1) & card_eq_4(x1))
exists e1 x1 x2.(Theme(e1,x2) & Actor(e1,x1) & v_eat(e1) & n_sandwich(x2) & n_kid(x1) & card_eq_4(x1))