A child with water splashing on him.
the baby is in the pool grtting splashed with water
A child does not have to be a baby.  Water splashing does not have to be from a pool.
exists e1 x1 x2 x3.(a_topic(x1) & with(x1,x2) & on(e1,x1) & n_male(x1) & Actor(e1,x3) & v_splash(e1) & (x2 = x3) & n_water(x2) & n_child(x1))
exists p1 x1 x2.(n_pool(x2) & n_baby(x1) & exists e1 p2 x3.(in(x1,x2) & exists e2 x4.(with(e2,x4) & n_water(x4) & Theme(e2,x3) & v_splash(e2)) & Topic(e1,p2) & Actor(e1,x3) & v_grtting(e1) & (x2 = x3)))