Some maintained collaborative relationships with al Qaeda, but many disengaged entirely.
( ( ( ( ( Some ( ( maintained ( collaborative relationships ) ) ( with ( al Qaeda ) ) ) ) , ) but ) ( many ( disengaged entirely ) ) ) . )
(ROOT (S (S (NP (DT Some)) (VP (VBD maintained) (NP (JJ collaborative) (NNS relationships)) (PP (IN with) (NP (NNP al) (NNP Qaeda))))) (, ,) (CC but) (S (NP (DT many)) (VP (VBD disengaged) (ADVP (RB entirely)))) (. .)))
Not all of them maintained relationships with al Qaeda.
( ( ( Not all ) ( of them ) ) ( ( ( maintained relationships ) ( with ( al Qaeda ) ) ) . ) )
(ROOT (S (NP (NP (RB Not) (DT all)) (PP (IN of) (NP (PRP them)))) (VP (VBD maintained) (NP (NNS relationships)) (PP (IN with) (NP (NNP al) (NNP Qaeda)))) (. .)))