A group of people in a sack race.
A group of people in a sack race during a family reunion.
There are sack races lots of places other than family reunions.
exists x1 x2 x3 x4.(a_topic(x1) & of(x1,x2) & in(x2,x3) & n_race(x3) & of(x3,x4) & n_sack(x4) & n_people(x2) & n_group(x1))
exists x1 x2 x3 x4 x5 x6.(a_topic(x1) & during(x1,x5) & n_reunion(x5) & of(x5,x6) & n_family(x6) & of(x1,x2) & in(x2,x3) & n_race(x3) & of(x3,x4) & n_sack(x4) & n_people(x2) & n_group(x1))