( ( The ( cooled water ) ) ( ( ( returns ( to ( the ( oil cooler ) ) ) ) ( to ( repeat ( the cycle ) ) ) ) . ) )
(ROOT (S (NP (DT The) (JJ cooled) (NN water)) (VP (VBZ returns) (PP (TO to) (NP (DT the) (NN oil) (NN cooler))) (S (VP (TO to) (VP (VB repeat) (NP (DT the) (NN cycle)))))) (. .)))
The cooled water returns to the oil cooler to repeat the cycle.
(ROOT (S (NP (DT The) (NN water) (NN cycle)) (VP (VBZ ends) (SBAR (IN with) (S (NP (PRP it)) (VP (VBZ repeats) (NP (PRP itself)))))) (. .)))
The water cycle ends with it repeats itself.