People stroll outdoors at the airport.
A lot of flights were canceled.
FLight do not have to be canceled for people to walk outside the airport
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 x1 x2.(Theme(e1,x1) & v_cancel(e1) & of(x1,x2) & n_flight(x2) & n_lot(x1))