People sitting at tables in a bus or train.
People play games at their tables while waiting for their stop.
Not all people sitting at tables in a bus or train play games.
exists e1 x1 x2 x3 x4.(a_topic(x1) & in(e1,x4) & (n_bus(x4) | n_train(x4)) & at(e1,x3) & n_table(x3) & Actor(e1,x2) & v_sit(e1) & (x1 = x2) & n_people(x1))
exists e1 e2 x1 x2 x3 x4.(while(e1,e2) & for(e2,x4) & n_stop(x4) & of(x4,x1) & n_thing(x1) & n_thing(x1) & Actor(e2,x1) & v_wait(e2) & at(e1,x3) & n_table(x3) & of(x3,x1) & Theme(e1,x2) & Actor(e1,x1) & v_play(e1) & n_game(x2) & n_people(x1))