Part of the reason for the difference in pieces per possible delivery may be due to the fact that five percent of possible residential deliveries are businesses, and it is thought, but not known, that a lesser percentage of possible deliveries on rural routes are businesses.
( ( ( ( ( ( Part ( of ( ( the reason ) ( for ( ( the difference ) ( in ( pieces ( per ( possible delivery ) ) ) ) ) ) ) ) ) ( may ( ( be ( due ( to ( the fact ) ) ) ) ( that ( ( ( five percent ) ( of ( possible ( residential deliveries ) ) ) ) ( are businesses ) ) ) ) ) ) , ) and ) ( it ( ( ( ( ( is thought ) , ) but ) not ) ( ( known , ) ( that ( ( ( a ( lesser percentage ) ) ( of ( ( possible deliveries ) ( on ( rural routes ) ) ) ) ) ( are businesses ) ) ) ) ) ) ) . )
(ROOT (S (S (NP (NP (NN Part)) (PP (IN of) (NP (NP (DT the) (NN reason)) (PP (IN for) (NP (NP (DT the) (NN difference)) (PP (IN in) (NP (NP (NNS pieces)) (PP (IN per) (NP (JJ possible) (NN delivery)))))))))) (VP (MD may) (VP (VB be) (ADJP (JJ due) (PP (TO to) (NP (DT the) (NN fact)))) (SBAR (IN that) (S (NP (NP (CD five) (NN percent)) (PP (IN of) (NP (JJ possible) (JJ residential) (NNS deliveries)))) (VP (VBP are) (NP (NNS businesses)))))))) (, ,) (CC and) (S (NP (PRP it)) (VP (VP (VBZ is) (VP (VBN thought))) (, ,) (CC but) (RB not) (VP (JJ known) (, ,) (SBAR (IN that) (S (NP (NP (DT a) (JJR lesser) (NN percentage)) (PP (IN of) (NP (NP (JJ possible) (NNS deliveries)) (PP (IN on) (NP (JJ rural) (NNS routes)))))) (VP (VBP are) (NP (NNS businesses)))))))) (. .)))
We all know that the reason for a lesser percentage of possible deliveries on rural routes being businesses, is because of the fact that people prefer living in cities rather than rural areas.
( We ( all ( ( know ( that ( ( ( the reason ) ( for ( ( ( a ( lesser percentage ) ) ( of ( ( possible deliveries ) ( on ( rural routes ) ) ) ) ) ( being businesses ) ) ) ) ( , ( ( is ( because ( of ( the fact ) ) ) ) ( that ( people ( prefer ( living ( in ( ( cities ( rather than ) ) ( rural areas ) ) ) ) ) ) ) ) ) ) ) ) . ) ) )
(ROOT (S (NP (PRP We)) (ADVP (DT all)) (VP (VBP know) (SBAR (IN that) (S (NP (NP (DT the) (NN reason)) (PP (IN for) (S (NP (NP (DT a) (JJR lesser) (NN percentage)) (PP (IN of) (NP (NP (JJ possible) (NNS deliveries)) (PP (IN on) (NP (JJ rural) (NNS routes)))))) (VP (VBG being) (NP (NNS businesses)))))) (, ,) (VP (VBZ is) (PP (RB because) (IN of) (NP (DT the) (NN fact))) (SBAR (IN that) (S (NP (NNS people)) (VP (VBP prefer) (S (VP (VBG living) (PP (IN in) (NP (NP (NNS cities)) (CONJP (RB rather) (IN than)) (NP (JJ rural) (NNS areas))))))))))))) (. .)))