Six children are wearing burlap sacks and having a potato sack race.
Six children are outside in the grass.
Six children wearing burlap sacks and having a potato sack race is not necessarily outside in the grass.
exists e1 e2 x1 x2 x3 x4 x5 x6 x7.(Theme(e2,x5) & Actor(e2,x4) & v_have(e2) & n_race(x5) & of(x5,x7) & n_sack(x7) & of(x5,x6) & n_potato(x6) & n_child(x4) & card_eq_6(x4) & Theme(e1,x2) & Actor(e1,x1) & v_wear(e1) & n_sack(x2) & of(x2,x3) & n_burlap(x3) & n_child(x1) & card_eq_6(x1))
exists s1 x1 x2.(n_grass(x2) & in(s1,x2) & Theme(s1,x1) & a_outside(s1) & n_child(x1) & card_eq_6(x1))