A group of people sit on a bench, waiting for the bus.
A group of people are waiting for the bus to take them home after a long day of work.
A bus doesn't necessarily have to take you home. The people sitting on the bench didn't have to be coming from work.
exists e1 e2 x1 x2 x3 x4.(n_bus(x4) & for(e1,e2) & for(e2,x4) & Actor(e2,x1) & v_wait(e2) & on(e1,x3) & n_bench(x3) & Actor(e1,x1) & v_sit(e1) & of(x1,x2) & n_people(x2) & n_group(x1))
exists e1 p1 x1 x2 x3.(n_bus(x3) & Topic(e1,p1) & Actor(e1,x1) & v_wait(e1) & exists e2 s1 x4 x5 x6.(after(e2,x5) & of(x5,x6) & n_work(x6) & n_day(x5) & a_long(s1) & Theme(s1,x5) & Time(e2,x4) & n_home(x4) & Theme(e2,x1) & Actor(e2,x3) & v_take(e2)) & n_thing(x1) & of(x1,x2) & n_people(x2) & n_group(x1))