The final reason for the teen renaissance is boomer self-obsession.
( ( ( The ( final reason ) ) ( for ( the ( teen renaissance ) ) ) ) ( ( is ( boomer self-obsession ) ) . ) )
(ROOT (S (NP (NP (DT The) (JJ final) (NN reason)) (PP (IN for) (NP (DT the) (JJ teen) (NN renaissance)))) (VP (VBZ is) (NP (NN boomer) (NN self-obsession))) (. .)))
Boomer self-obsession is one of the reasons for teen renaissance.
( ( Boomer self-obsession ) ( ( is ( one ( of ( ( the reasons ) ( for ( teen renaissance ) ) ) ) ) ) . ) )
(ROOT (S (NP (NNP Boomer) (NNP self-obsession)) (VP (VBZ is) (NP (NP (CD one)) (PP (IN of) (NP (NP (DT the) (NNS reasons)) (PP (IN for) (NP (JJ teen) (NN renaissance))))))) (. .)))