seems twice as long as its 83 minutes 
(ROOT (VP (VBZ seems) (ADJP (ADJP (RB twice) (RB as) (RB long)) (PP (IN as) (NP (PRP$ its) (CD 83) (NNS minutes))))))
(ROOT (VP (VBZ ) (ADJP (ADJP (RB ) (RB ) (RB )) (PP (IN ) (NP (PRP$ ) (CD ) (NNS ))))))