Such a knowledgebased process enables decision makers to be reasonably certain about critical facets of the product under development when they need this knowledge.
( ( Such ( a ( knowledgebased process ) ) ) ( ( enables ( ( decision makers ) ( to ( ( ( be ( reasonably ( certain ( about ( ( critical facets ) ( of ( the product ) ) ) ) ) ) ) ( under development ) ) ( when ( they ( need ( this knowledge ) ) ) ) ) ) ) ) . ) )
(ROOT (S (NP (PDT Such) (DT a) (JJ knowledgebased) (NN process)) (VP (VBZ enables) (S (NP (NN decision) (NNS makers)) (VP (TO to) (VP (VB be) (ADJP (RB reasonably) (JJ certain) (PP (IN about) (NP (NP (JJ critical) (NNS facets)) (PP (IN of) (NP (DT the) (NN product)))))) (PP (IN under) (NP (NN development))) (SBAR (WHADVP (WRB when)) (S (NP (PRP they)) (VP (VBP need) (NP (DT this) (NN knowledge))))))))) (. .)))
They refused to help with the process at all.
( They ( ( refused ( to ( ( help ( with ( the process ) ) ) ( at all ) ) ) ) . ) )
(ROOT (S (NP (PRP They)) (VP (VBD refused) (S (VP (TO to) (VP (VB help) (PP (IN with) (NP (DT the) (NN process))) (ADVP (IN at) (DT all)))))) (. .)))