these were more repulsive than the first 30 or 40 minutes 
(ROOT (S (NP (DT these)) (VP (VBD were) (ADJP (ADJP (RBR more) (JJ repulsive)) (PP (IN than) (NP (DT the) (JJ first) (QP (CD 30) (CC or) (CD 40)) (NNS minutes)))))))
(ROOT (S (NP (DT )) (VP (VBD ) (ADJP (ADJP (RBR ) (JJ )) (PP (IN ) (NP (DT ) (JJ ) (QP (CD ) (CC ) (CD )) (NNS )))))))