A little boy is swinging on a swing set.
The little boy is having fun.
The little boy is not necessarily having fun on the swing set.
exists e1 s1 x1 x2 x3.(on(e1,x2) & n_set(x2) & of(x2,x3) & n_swing(x3) & Actor(e1,x1) & v_swing(e1) & n_boy(x1) & a_little(s1) & Theme(s1,x1))
exists e1 s1 x1 x2.(n_boy(x1) & a_little(s1) & Theme(s1,x1) & Theme(e1,x2) & Actor(e1,x1) & v_have(e1) & n_fun(x2))