The boy splashed the water.
The boy is sleeping.
If the boy splashed, it would imply that he is awake and not sleeping.
exists e1 x1 x2.(n_water(x2) & n_boy(x1) & Theme(e1,x2) & Actor(e1,x1) & v_splash(e1))
exists e1 x1.(n_boy(x1) & Actor(e1,x1) & v_sleep(e1))