Prototyping, for example, may act as part of the requirements definition process, helping the agency identify and control areas of high uncertainty and technical risk.
( ( ( ( Prototyping , ) ( for example ) ) , ) ( ( may ( ( ( act ( as ( part ( of ( the ( requirements ( definition process ) ) ) ) ) ) ) , ) ( helping ( ( the agency ) ( ( identify and ) ( control ( areas ( of ( ( ( high uncertainty ) and ) ( technical risk ) ) ) ) ) ) ) ) ) ) . ) )
(ROOT (S (NP (NP (NN Prototyping)) (, ,) (PP (IN for) (NP (NN example))) (, ,)) (VP (MD may) (VP (VB act) (PP (IN as) (NP (NP (NN part)) (PP (IN of) (NP (DT the) (NNS requirements) (NN definition) (NN process))))) (, ,) (S (VP (VBG helping) (S (NP (DT the) (NN agency)) (VP (VP (VB identify)) (CC and) (VP (VB control) (NP (NP (NNS areas)) (PP (IN of) (NP (NP (JJ high) (NN uncertainty)) (CC and) (NP (JJ technical) (NN risk)))))))))))) (. .)))
Prototyping allows for mistakes to occur with minor damages. 
( Prototyping ( ( ( allows ( for mistakes ) ) ( to ( occur ( with ( minor damages ) ) ) ) ) . ) )
(ROOT (S (NP (NNP Prototyping)) (VP (VBZ allows) (PP (IN for) (NP (NNS mistakes))) (S (VP (TO to) (VP (VB occur) (PP (IN with) (NP (JJ minor) (NNS damages))))))) (. .)))