A lot of people are attending an aviation exposition.
The aviation exposition was a success.
when a lot of people attend something, they call it a success.
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 x1 x2.(n_exposition(x1) & of(x1,x2) & n_aviation(x2) & exists x3.((x1 = x3) & n_success(x3)))