( ( Such families ) ( ( are ( believed ( to ( result ( from ( ( collisional disruption ) ( of ( larger ( precursor bodies ) ) ) ) ) ) ) ) ) . ) )
(ROOT (S (NP (JJ Such) (NNS families)) (VP (VBP are) (VP (VBN believed) (S (VP (TO to) (VP (VB result) (PP (IN from) (NP (NP (JJ collisional) (NN disruption)) (PP (IN of) (NP (JJR larger) (NN precursor) (NNS bodies)))))))))) (. .)))
Such families are believed to result from collisional disruption of larger precursor bodies.
(ROOT (S (NP (NNP Haumea)) (VP (VBZ is) (NP (NP (NN part)) (PP (IN of) (NP (DT the) (DT a) (JJ collisional) (NN family))))) (. .)))