A group of people having a sack race.
People are having a sack race.
People are a group and they are having a sack race.
exists e1 x1 x2 x3 x4 x5.(a_topic(x1) & of(x1,x2) & Theme(e1,x4) & Actor(e1,x3) & v_have(e1) & n_race(x4) & of(x4,x5) & n_sack(x5) & (x2 = x3) & n_people(x2) & n_group(x1))
exists e1 x1 x2 x3.(Theme(e1,x2) & Actor(e1,x1) & v_have(e1) & n_race(x2) & of(x2,x3) & n_sack(x3) & n_people(x1))