Children are splashed with water.
Children are splashing each other with water.
they may not be splashing each other.
exists e1 x1 x2.(with(e1,x2) & n_water(x2) & Theme(e1,x1) & v_splash(e1) & n_child(x1))
exists x1.(all x2.(n_other(x2) -> exists e1 x3.(with(e1,x3) & n_water(x3) & Theme(e1,x2) & Actor(e1,x1) & v_splash(e1))) & n_child(x1))