A bunch of people at a train station.
A group of humans are at a train station.
People are the same as humans and both are at the train station
exists x1 x2 x3 x4.(a_topic(x1) & at(x1,x3) & n_station(x3) & of(x3,x4) & n_train(x4) & of(x1,x2) & n_people(x2) & n_bunch(x1))
exists p1 x1 x2.(exists x3 x4.(at(x1,x3) & n_station(x3) & of(x3,x4) & n_train(x4)) & of(x1,x2) & n_human(x2) & n_group(x1))