A little boy is playing with a blue wheel on a swing set.
A little girl is riding a bike.
The child cannot be a boy and a girl at the same time. Also, they cannot be riding a bike and playing on a swing set
exists e1 s1 s2 x1 x2 x3 x4.(with(e1,x2) & on(x2,x3) & n_set(x3) & of(x3,x4) & n_swing(x4) & n_wheel(x2) & a_blue(s2) & Theme(s2,x2) & Actor(e1,x1) & v_play(e1) & n_boy(x1) & a_little(s1) & Theme(s1,x1))
exists e1 s1 x1 x2.(Theme(e1,x2) & Actor(e1,x1) & v_ride(e1) & n_bike(x2) & n_girl(x1) & a_little(s1) & Theme(s1,x1))