People stroll outdoors at the airport.
The people at the airport are levitating using magic
You cannot stroll and levitate simultaneously.
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 e2 e1 x1 x2 x3.(n_airport(x2) & n_people(x1) & for(e1,e2) & Theme(e2,x3) & Actor(e2,x1) & v_use(e2) & n_magic(x3) & Actor(e1,x1) & v_levitate(e1) & at(x1,x2))