kids are riding a swinging carnival ride
The carnival is fun.
Not all carnivals are fun.
exists e1 e2 x1 x2 x3.(Theme(e2,x2) & Actor(e2,x1) & v_ride(e2) & n_ride(x2) & of(x2,x3) & n_carnival(x3) & Actor(e1,x2) & v_swing(e1) & n_kid(x1))
exists p1 x1.(n_carnival(x1) & exists x2.((x1 = x2) & n_fun(x2)))