essentially a collection of bits -- and they 're all naughty . 
(ROOT (S (ADVP (RB essentially)) (NP (NP (DT a) (NN collection)) (PP (IN of) (NP (NNS bits)))) (, --) (CC and) (S (NP (PRP they)) (VP (VBP 're) (RB all) (ADJP (JJ naughty)))) (. .)))
(ROOT (S (ADVP (RB )) (NP (NP (DT ) (NN )) (PP (IN ) (NP (NNS )))) (, ) (CC ) (S (NP (PRP )) (VP (VBP ) (RB ) (ADJP (JJ )))) (. )))