Woman and baby waiting at an airport.
The airport is busy.
An airport is not always busy.
exists e1 s1 x1 x2 x3 x4.(ne_nam_woman(x1) & a_topic(s1) & subset_of(x2,s1) & at(e1,x4) & n_airport(x4) & Actor(e1,x3) & v_wait(e1) & (x2 = x3) & n_baby(x2) & subset_of(x1,s1))
exists s1 x1.(n_airport(x1) & Theme(s1,x1) & a_busy(s1))