is one of those rare pictures 
(ROOT (S (VP (VBZ is) (NP (NP (CD one)) (PP (IN of) (NP (DT those) (JJ rare) (NNS pictures)))))))
(ROOT (S (VP (VBZ ) (NP (NP (CD )) (PP (IN ) (NP (DT ) (JJ ) (NNS )))))))