The ball rolls towards the hill with a value of kinetic energy, as it reaches the hill it begins to climb, exchanging that kinetic energy for potential energy as it slows down.
(The ball; rolls; towards the hill) (it; slows down; ) (it; reaches; the hill it begins to climb,) (the hill; begins; ) (the hill; to climb; ) (it; exchanging; that kinetic energy for potential energy as it slows down)
The ball it it the hill the hill it
rolls slows down reaches begins to climb exchanging
towards the hill
the hill it begins to climb,
that kinetic energy for potential energy as it slows down