A young boy is underwater in a swimming pool.
A boy is in a pool with his dad.
Not all young boy in a swimming pool is with his dad.
exists p1 s1 x1 x2 x3.(in(p1,x2) & n_pool(x2) & of(x2,x3) & n_swimming(x3) & exists x4.((x1 = x4) & n_underwater(x4)) & n_boy(x1) & a_young(s1) & Theme(s1,x1))
exists p1 x1 x3.(exists x2.(in(x1,x2) & with(x2,x3) & n_pool(x2)) & n_dad(x3) & of(x3,x1) & n_male(x1) & n_boy(x1))