three people are at the train station.
They are camping out in the wilderness
Camping doesn't happen at a train station.
exists p1 x1 x2 x3.(n_station(x2) & of(x2,x3) & n_train(x3) & at(x1,x2) & n_people(x1) & card_eq_3(x1))
exists e1 s1 x1 x2.(n_wilderness(x2) & n_thing(x1) & in(e1,x2) & a_out(s1) & Manner(e1,s1) & Actor(e1,x1) & v_camp(e1))