( ( If ( you ( 're ( looking ( for ( examples ( of ( galaxies ( or ( star clusters ) ) ) ) ) ) ) ) ) ) ( , ( this ( ( ( is ( a ( good ( place ( to start ) ) ) ) ) -RRB- ) . ) ) ) )
(ROOT (S (SBAR (IN If) (S (NP (PRP you)) (VP (VBP 're) (VP (VBG looking) (PP (IN for) (NP (NP (NNS examples)) (PP (IN of) (NP (NNS galaxies) (CC or) (NN star) (NNS clusters))))))))) (, ,) (NP (DT this)) (VP (VBZ is) (NP (DT a) (JJ good) (NN place) (S (VP (TO to) (VP (VB start)))))) (-RRB- -RRB-) (. .)))
If you're looking for examples of galaxies or star clusters, this is a good place to start).
(ROOT (S (NP (DT A) (NN galaxy)) (VP (VBZ is) (VP (RBS best) (VBN described) (PP (IN as) (NP (NP (DT a) (NN cluster)) (PP (IN of) (NP (NP (NNS billions)) (PP (IN of) (NP (NNS stars))))))))) (. .)))