Two friends waiting to board the tour bus.
Friends waiting for the bus
Waiting for the bus implies that they are waiting to board the bus.
exists e1 p1 x1 x2 x3.(n_bus(x2) & of(x2,x3) & n_tour(x3) & Topic(e1,p1) & Actor(e1,x1) & v_wait(e1) & exists e2.(Theme(e2,x2) & Actor(e2,x1) & v_board(e2)) & n_friend(x1) & card_eq_2(x1))
exists e1 x1 x2 x3.(n_bus(x3) & a_topic(x1) & for(e1,x3) & Actor(e1,x2) & v_wait(e1) & (x1 = x2) & n_friend(x1))