Two people standing with bags on a sidewalk.
the people are waiting for a taxi
The fact that the people are standing with bags on a sidewalk does not necessarily imply that they are waiting for a taxi.
exists e1 x1 x2 x3 x4.(a_topic(x1) & on(e1,x4) & n_sidewalk(x4) & with(e1,x3) & n_bag(x3) & Actor(e1,x2) & v_stand(e1) & (x1 = x2) & n_people(x1) & card_eq_2(x1))
exists e1 x1 x2.(n_people(x1) & for(e1,x2) & n_taxi(x2) & Actor(e1,x1) & v_wait(e1))