A survey of over 36,000 Indiana youth conducted by the IU Prevention Resource Center found that approximately two-thirds of substance abuse begins with this age group.
( ( ( ( A survey ) ( of ( over ( 36,000 ( Indiana youth ) ) ) ) ) ( conducted ( by ( the ( IU ( Prevention ( Resource Center ) ) ) ) ) ) ) ( ( found ( that ( ( ( approximately two-thirds ) ( of ( substance abuse ) ) ) ( begins ( with ( this ( age group ) ) ) ) ) ) ) . ) )
(ROOT (S (NP (NP (DT A) (NN survey)) (PP (IN of) (NP (IN over) (CD 36,000) (NNP Indiana) (NNP youth))) (VP (VBN conducted) (PP (IN by) (NP (DT the) (NNP IU) (NNP Prevention) (NNP Resource) (NNP Center))))) (VP (VBD found) (SBAR (IN that) (S (NP (NP (QP (RB approximately) (NNS two-thirds))) (PP (IN of) (NP (NN substance) (NN abuse)))) (VP (VBZ begins) (PP (IN with) (NP (DT this) (NN age) (NN group))))))) (. .)))
The surveys results gave no answers.
( ( The ( surveys results ) ) ( ( gave ( no answers ) ) . ) )
(ROOT (S (NP (DT The) (NNS surveys) (NNS results)) (VP (VBD gave) (NP (DT no) (NNS answers))) (. .)))