A little boy in a life jacket jumping into a pool.
The little boy is naked.
The boy cannot be naked and in a life jacket simultaneously
exists e1 s1 x1 x2 x3 x4 x5.(a_topic(x1) & in(x1,x2) & into(e1,x5) & n_pool(x5) & Actor(e1,x4) & v_jump(e1) & (x2 = x4) & n_jacket(x2) & of(x2,x3) & n_life(x3) & n_boy(x1) & a_little(s1) & Theme(s1,x1))
exists s1 s2 x1.(n_boy(x1) & a_little(s1) & Theme(s1,x1) & Theme(s2,x1) & a_naked(s2))