Three people waiting at a bus stop.
Three people are waiting for the bus.
When you're waiting at a bus stop you're waiting for the bus.
exists e1 x1 x2 x3 x4.(a_topic(x1) & at(e1,x3) & n_stop(x3) & of(x3,x4) & n_bus(x4) & Actor(e1,x2) & v_wait(e1) & (x1 = x2) & n_people(x1) & card_eq_3(x1))
exists e1 x1 x2.(n_bus(x2) & for(e1,x2) & Actor(e1,x1) & v_wait(e1) & n_people(x1) & card_eq_3(x1))