Ooh, one of my three older sisters.
( ( ( Ooh , ) ( one ( of ( my ( ( three older ) sisters ) ) ) ) ) . )
(ROOT (NP (NP (NNP Ooh)) (, ,) (NP (NP (CD one)) (PP (IN of) (NP (PRP$ my) (ADJP (NP (CD three)) (JJR older)) (NNS sisters)))) (. .)))
One of my sisters.
( ( One ( of ( my sisters ) ) ) . )
(ROOT (NP (NP (CD One)) (PP (IN of) (NP (PRP$ my) (NNS sisters))) (. .)))