In about a quarter of an hour the bell rang, and Tuppence repaired to the hall to show the visitor out.
( ( ( ( ( ( In ( ( about ( a quarter ) ) ( of ( an hour ) ) ) ) ( ( the bell ) rang ) ) , ) and ) ( Tuppence ( ( repaired ( to ( the hall ) ) ) ( to ( ( show ( the visitor ) ) out ) ) ) ) ) . )
(ROOT (S (S (PP (IN In) (NP (NP (QP (RB about) (DT a) (NN quarter))) (PP (IN of) (NP (DT an) (NN hour))))) (NP (DT the) (NN bell)) (VP (VBD rang))) (, ,) (CC and) (S (NP (NNP Tuppence)) (VP (VBD repaired) (PP (TO to) (NP (DT the) (NN hall))) (S (VP (TO to) (VP (VB show) (NP (DT the) (NN visitor)) (PRT (RP out))))))) (. .)))
The visitor was only allowed to stay in the house for 15 minutes, no more or no less. 
( ( The visitor ) ( ( ( was only ) ( allowed ( to ( ( ( stay ( in ( ( the house ) ( for ( 15 minutes ) ) ) ) ) , ) ( ( ( no more ) or ) ( no less ) ) ) ) ) ) . ) )
(ROOT (S (NP (DT The) (NN visitor)) (VP (VBD was) (ADVP (RB only)) (VP (VBN allowed) (S (VP (TO to) (VP (VB stay) (PP (IN in) (NP (NP (DT the) (NN house)) (PP (IN for) (NP (CD 15) (NNS minutes))))) (, ,) (ADVP (ADVP (RB no) (RBR more)) (CC or) (ADVP (RB no) (RBR less)))))))) (. .)))