A group of people stand and converse by a bus stop.
Several people wait for the bus.
People who converse by a bus stop are not always there to wait for the bus.
exists e2 e1 x1 x2 x3 x4 x5 x6.(by(e2,x5) & n_stop(x5) & of(x5,x6) & n_bus(x6) & Actor(e2,x3) & v_converse(e2) & of(x3,x4) & n_people(x4) & n_group(x3) & Actor(e1,x1) & v_stand(e1) & of(x1,x2) & n_people(x2) & n_group(x1))
exists e1 s1 x1 x2.(n_bus(x2) & for(e1,x2) & Actor(e1,x1) & v_wait(e1) & n_people(x1) & a_several(s1) & Theme(s1,x1))