comes along only occasionally , one so unconventional , gutsy and perfectly 
(ROOT (VP (VBZ comes) (ADVP (RB along)) (ADVP (RB only) (RB occasionally)) (, ,) (NP (NP (CD one)) (ADJP (RB so) (JJ unconventional) (, ,) (JJ gutsy) (CC and) (RB perfectly)))))
(ROOT (VP (VBZ ) (ADVP (RB )) (ADVP (RB ) (RB )) (, ) (NP (NP (CD )) (ADJP (RB ) (JJ ) (, ) (JJ ) (CC ) (RB )))))