A group of people are sitting on a bus.
The people are going on a long trip.
People sitting on a bus does not imply they are on a long trip.
exists e1 x1 x2 x3.(on(e1,x3) & n_bus(x3) & Actor(e1,x1) & v_sit(e1) & of(x1,x2) & n_people(x2) & n_group(x1))
exists e1 s1 x1 x2.(n_people(x1) & on(e1,x2) & n_trip(x2) & a_long(s1) & Theme(s1,x2) & Actor(e1,x1) & v_go(e1))