Hot air balloons are inflated in a field.
A hot air balloon festival gets underway
Just because hot air balloons are inflated in a field doesn't imply air balloon festival gets underway.
exists e1 x1 x2 x3 x4.(in(e1,x4) & n_field(x4) & Theme(e1,x1) & v_inflate(e1) & n_balloon(x1) & of(x1,x3) & n_air(x3) & (x1 = x2) & ne_nam_hot(x2))
exists e1 s1 x1 x2 x3 x4.(Theme(e1,x4) & Actor(e1,x1) & v_get(e1) & n_underway(x4) & n_festival(x1) & of(x1,x3) & n_balloon(x3) & of(x1,x2) & n_air(x2) & a_hot(s1) & Theme(s1,x1))