( ( YOUNG STAR ) ( ( CLUSTERS ( IN ( GALAXY NGC1275 ) ) ) . ) )
(ROOT (S (NP (NNP YOUNG) (NNP STAR)) (VP (VBZ CLUSTERS) (PP (IN IN) (NP (NNP GALAXY) (NNP NGC1275)))) (. .)))
YOUNG STAR CLUSTERS IN GALAXY NGC1275.
(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))))))))) (. .)))