Children are splashed with water.
Children are near water.
To be splashed with water children need to be near water to be splashed with it.
exists e1 x1 x2.(with(e1,x2) & n_water(x2) & Theme(e1,x1) & v_splash(e1) & n_child(x1))
exists p1 x1.(exists s1 x2.((x1 = x2) & n_water(x2) & a_near(s1) & Theme(s1,x2)) & n_child(x1))