put through torture for an hour and a half 
(ROOT (S (VP (VB put) (PP (IN through) (NP (NN torture))) (PP (IN for) (NP (DT an) (NN hour) (QP (CC and) (DT a) (NN half)))))))
(ROOT (S (VP (VB ) (PP (IN ) (NP (NN ))) (PP (IN ) (NP (DT ) (NN ) (QP (CC ) (DT ) (NN )))))))