a young boy tapped in a shopping cart.
The boy is free.
The boy cannot be trapped and free at the same time.
exists e1 s1 x1 x2 x3 x4.(a_topic(x1) & in(e1,x3) & n_cart(x3) & of(x3,x4) & n_shopping(x4) & Theme(e1,x2) & v_tap(e1) & (x1 = x2) & n_boy(x1) & a_young(s1) & Theme(s1,x1))
exists s1 x1.(n_boy(x1) & Theme(s1,x1) & a_free(s1))