People stroll outdoors at the airport.
They are going to catch a plane
People strolling outdoors at the airport does not always are going to catch a plane.
exists e1 x1 x2 x3.(n_airport(x3) & at(e1,x3) & Theme(e1,x2) & Actor(e1,x1) & v_stroll(e1) & n_outdoors(x2) & n_people(x1))
exists e1 p1 x1.(n_thing(x1) & Topic(e1,p1) & Actor(e1,x1) & v_go(e1) & exists e2 x2.(Theme(e2,x2) & Actor(e2,x1) & v_catch(e2) & n_plane(x2)))