A flight attendant is waiting on a bench.
Captain of plane stands in aisle.
A flight attendant and a captain are not the same thing. The beach and an aisle are not the same place.
exists e1 x1 x2 x3.(on(e1,x3) & n_bench(x3) & Actor(e1,x1) & v_wait(e1) & n_attendant(x1) & of(x1,x2) & n_flight(x2))
exists x1 x2 x3 x4.(a_topic(x1) & of(x1,x2) & in(x2,x4) & n_aisle(x4) & n_stand(x2) & of(x2,x3) & n_plane(x3) & n_captain(x1))