If a rock rolls down a hill and dislodges another rock which then also rolls down the hill, kinetic energy is at work.
(a rock; rolls; down a hill) (a rock; dislodges; another rock which then also rolls down the hill) (another rock; rolls; down the hill; T:then) (kinetic energy; is; at work)
a rock a rock another rock kinetic energy
rolls dislodges rolls is
down a hill
another rock which then also rolls down the hill
down the hill T:then
at work