A lot of people are attending an aviation exposition.
There are quite a few people at an event.
quite a few people is still the same thing as a lot of people and an event would be considered the aviation exposition
exists e1 x1 x2 x3 x4.(Theme(e1,x3) & Actor(e1,x1) & v_attend(e1) & n_exposition(x3) & of(x3,x4) & n_aviation(x4) & of(x1,x2) & n_people(x2) & n_lot(x1))
exists p1 s1 x1 x2.(at(p1,x2) & n_event(x2) & a_quite(s1) & Manner(p1,s1) & exists s2 x3.((x1 = x3) & n_people(x3) & a_few(s2) & Theme(s2,x3)))