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