Hawaiian is preparing over 20 pigs in a peaceful ritual.
pigs are being prepared by a hawaiian chief
A hawaiian peaceful ritual does not always have chief.
exists e1 s1 x1 x2 x3.(ne_geo_hawaiian(x1) & over(e1,x2) & in(x2,x3) & n_ritual(x3) & a_peaceful(s1) & Theme(s1,x3) & n_pig(x2) & n_date(x2) & a_date_day_20(x2) & a_date_day_20(x2) & Actor(e1,x1) & v_prepare(e1))
exists e1 s1 x1 x2.(Actor(e1,x2) & n_chief(x2) & a_hawaiian(s1) & Theme(s1,x2) & Theme(e1,x1) & v_prepare(e1) & n_pig(x1))