For example, a case study of the effectiveness of a job training program might need to take into account general economic trends, such as unemployment rates in the community.
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(ROOT (S (PP (IN For) (NP (NN example))) (, ,) (NP (NP (DT a) (NN case) (NN study)) (PP (IN of) (NP (NP (DT the) (NN effectiveness)) (PP (IN of) (NP (DT a) (NN job) (NN training) (NN program)))))) (VP (MD might) (VP (VB need) (S (VP (TO to) (VP (VB take) (PP (IN into) (NP (NN account))) (NP (NP (JJ general) (JJ economic) (NNS trends)) (, ,) (PP (JJ such) (IN as) (NP (NP (NN unemployment) (NNS rates)) (PP (IN in) (NP (DT the) (NN community))))))))))) (. .)))
General economic trends would have to be considered by a case study on job training effectiveness.
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(ROOT (S (NP (JJ General) (JJ economic) (NNS trends)) (VP (MD would) (VP (VB have) (S (VP (TO to) (VP (VB be) (VP (VBN considered) (PP (IN by) (NP (NP (DT a) (NN case) (NN study)) (PP (IN on) (NP (NN job) (NN training) (NN effectiveness))))))))))) (. .)))