several people at an airport.
The people are at an airport.
if there are several people, there are people.
exists s1 x1 x2.(a_topic(x1) & at(x1,x2) & n_airport(x2) & n_people(x1) & a_several(s1) & Theme(s1,x1))
exists p1 x1.(n_people(x1) & exists x2.(at(x1,x2) & n_airport(x2)))