(S (S (SBAR (IN If) (S (BASENP (DT the) (NN detainee)) (VP (ADVP (RB already)) (VP (VBZ has) (NP (BASENP (DT a) (NN roll)) (PP (IN of) (BASENP (NN toilet) (NN paper)))))))) (COMMA ,) (S (BASENP (PRP he)) (VP (VP (VBZ is) (RB not)) (VP (VBN allowed) (S (VP (TO to) (VP (VB have) (BASENP (DT another))))))))) (PERIOD .))