a fascinating curiosity piece -- fascinating , that is , for about ten minutes . 
(ROOT (NP (NP (DT a) (JJ fascinating) (NN curiosity) (NN piece)) (, --) (ADJP (JJ fascinating) (, ,) (S (NP (DT that)) (VP (VBZ is))) (, ,)) (PP (IN for) (NP (QP (RB about) (CD ten)) (NNS minutes))) (. .)))
(ROOT (NP (NP (DT ) (JJ ) (NN ) (NN )) (, ) (ADJP (JJ ) (, ) (S (NP (DT )) (VP (VBZ ))) (, )) (PP (IN ) (NP (QP (RB ) (CD )) (NNS ))) (. )))