As with other types of internal controls, this is a cycle of activity, not an exercise with a defined beginning and end.
( ( As ( with ( ( other types ) ( of ( internal controls ) ) ) ) ) ( , ( this ( ( is ( ( ( ( a cycle ) ( of activity ) ) , ) ( ( not ( an exercise ) ) ( with ( a ( defined ( ( beginning and ) end ) ) ) ) ) ) ) . ) ) ) )
(ROOT (S (PP (IN As) (PP (IN with) (NP (NP (JJ other) (NNS types)) (PP (IN of) (NP (JJ internal) (NNS controls)))))) (, ,) (NP (DT this)) (VP (VBZ is) (NP (NP (DT a) (NN cycle)) (PP (IN of) (NP (NN activity))) (, ,) (ADVP (RB not) (NP (DT an) (NN exercise)) (PP (IN with) (NP (DT a) (JJ defined) (NN beginning) (CC and) (NN end)))))) (. .)))
The cycle never really started on purpose, it just happened and now it needs to keep going.
( ( ( ( ( ( ( The cycle ) ( never ( really ( started ( on purpose ) ) ) ) ) , ) ( it ( just happened ) ) ) and ) ( now ( it ( needs ( to ( keep going ) ) ) ) ) ) . )
(ROOT (S (S (NP (DT The) (NN cycle)) (ADVP (RB never)) (VP (ADVP (RB really)) (VBD started) (PP (IN on) (NP (NN purpose))))) (, ,) (S (NP (PRP it)) (ADVP (RB just)) (VP (VBD happened))) (CC and) (S (ADVP (RB now)) (NP (PRP it)) (VP (VBZ needs) (S (VP (TO to) (VP (VB keep) (S (VP (VBG going)))))))) (. .)))