( ( Conifers ( -- ( ( such ( as ( pines ( , ( hemlocks ( , ( redwoods ( , ( ( spruces and ) firs ) ) ) ) ) ) ) ) ) -- ) ) ) ( ( ( are ( ( the ( most ( common types ) ) ) ( of ( gymnosperms ( with ( ( more ( than 500 ) ) species ) ) ) ) ) ) worldwide ) . ) )
(ROOT (S (NP (NP (NNS Conifers)) (PRN (: --) (PP (JJ such) (IN as) (NP (NNS pines) (, ,) (NNS hemlocks) (, ,) (NNS redwoods) (, ,) (NNS spruces) (CC and) (NNS firs))) (: --))) (VP (VBP are) (NP (NP (DT the) (RBS most) (JJ common) (NNS types)) (PP (IN of) (NP (NP (NNS gymnosperms)) (PP (IN with) (NP (QP (JJR more) (IN than) (CD 500)) (NNS species)))))) (ADVP (RB worldwide))) (. .)))
Conifers -- such as pines, hemlocks, redwoods, spruces and firs -- are the most common types of gymnosperms with more than 500 species worldwide.
(ROOT (S (NP (NNS Conifers)) (VP (VBP are) (NP (NP (DT the) (ADJP (RBS most) (JJ prevalent)) (NN type)) (PP (IN of) (NP (NNS gymnosperms))))) (. .)))