A group of people sitting on benches at a city park.
A tourist group is waiting on their guide.
Sitting on benches does not always mean that people are waiting.
exists e1 x1 x2 x3 x4 x5 x6.(a_topic(x1) & of(x1,x2) & at(e1,x5) & n_park(x5) & of(x5,x6) & n_city(x6) & on(e1,x4) & n_bench(x4) & Actor(e1,x3) & v_sit(e1) & (x2 = x3) & n_people(x2) & n_group(x1))
exists e1 x1 x2 x3.(on(e1,x3) & n_guide(x3) & of(x3,x1) & n_thing(x1) & Actor(e1,x1) & v_wait(e1) & n_group(x1) & of(x1,x2) & n_tourist(x2))