Random people at an airport doing various things.
There is nobody at the airport.
There can't be people at an airport if there is nobody at the airport.
exists e1 s1 x1 x2 x3 x4 x5.(a_topic(x1) & Theme(e1,x5) & Actor(e1,x4) & v_do(e1) & n_thing(x5) & a_various(s1) & Theme(s1,x5) & (x1 = x4) & at(x1,x3) & n_airport(x3) & n_people(x1) & (x1 = x2) & ne_nam_random(x2))
exists p1 x1 x3.(n_airport(x3) & -exists x2.((x1 = x2) & at(x2,x3) & n_person(x2)))