She received epidural anesthesia.
 Received no medication for pain
(ROOT (S (NP (PRP She)) (VP (VBD received) (NP (JJ epidural) (NN anesthesia))) (. .)))
(ROOT (S (VP (VBN Received) (NP (NP (DT no) (NN medication)) (PP (IN for) (NP (NN pain)))))))
( She ( ( received ( epidural anesthesia ) ) . ) )
( Received ( ( no medication ) ( for pain ) ) )