Children are throwing food at someone as part of an amusement park game.
Nobody is throwing.
Children throwing food is different then nobody anything.
exists e1 x1 x2 x3 x4 x5 x6 x7.(as(e1,x4) & of(x4,x5) & n_game(x5) & of(x5,x7) & n_park(x7) & of(x5,x6) & n_amusement(x6) & n_part(x4) & at(e1,x3) & n_person(x3) & Theme(e1,x2) & Actor(e1,x1) & v_throw(e1) & n_food(x2) & n_child(x1))
-exists e1 x1.(Actor(e1,x1) & v_throw(e1) & n_person(x1))