People stroll outdoors at the airport.
The airport has an outdoor walkway.
People are at an airport outdoors on a walkway
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 s1 x1 x2.(n_airport(x1) & Theme(e1,x2) & Actor(e1,x1) & v_have(e1) & n_walkway(x2) & a_outdoor(s1) & Theme(s1,x2))