While obviously constrained by their bondage, blacks nonetheless forged a culture rich with religious observances, folk tales, family traditions, song, and so on.
( ( While ( obviously ( constrained ( by ( their bondage ) ) ) ) ) ( , ( blacks ( nonetheless ( ( forged ( ( a culture ) ( rich ( with ( ( ( ( ( ( ( ( ( ( religious observances ) , ) ( folk tales ) ) , ) ( family traditions ) ) , ) song ) , ) and ) ( so on ) ) ) ) ) ) . ) ) ) ) )
(ROOT (S (SBAR (IN While) (S (ADVP (RB obviously)) (VP (VBN constrained) (PP (IN by) (NP (PRP$ their) (NN bondage)))))) (, ,) (NP (NNS blacks)) (ADVP (RB nonetheless)) (VP (VBZ forged) (S (NP (DT a) (NN culture)) (ADJP (JJ rich) (PP (IN with) (NP (NP (JJ religious) (NNS observances)) (, ,) (NP (NN folk) (NNS tales)) (, ,) (NP (NN family) (NNS traditions)) (, ,) (NP (NN song)) (, ,) (CC and) (NP (RB so) (RB on))))))) (. .)))
They do not hold trad ions as a highly valued thing. 
( They ( ( ( do not ) ( ( hold ( trad ions ) ) ( as ( a ( ( highly valued ) thing ) ) ) ) ) . ) )
(ROOT (S (NP (PRP They)) (VP (VBP do) (RB not) (VP (VB hold) (NP (JJ trad) (NNS ions)) (PP (IN as) (NP (DT a) (ADJP (RB highly) (VBN valued)) (NN thing))))) (. .)))