The subassemblies for the collars, backs, fronts, cuffs, and sleeves might be on one side of a center aisle down the factory floor and the major assembly steps on the other side.
( ( ( The subassemblies ) ( for ( ( ( ( ( ( ( ( ( ( the collars ) , ) backs ) , ) fronts ) , ) cuffs ) , ) and ) sleeves ) ) ) ( ( might ( ( be ( on ( ( one side ) ( of ( a ( center aisle ) ) ) ) ) ) ( down ( ( ( the ( factory floor ) ) and ) ( ( the ( major ( assembly steps ) ) ) ( on ( the ( other side ) ) ) ) ) ) ) ) . ) )
(ROOT (S (NP (NP (DT The) (NNS subassemblies)) (PP (IN for) (NP (NP (DT the) (NNS collars)) (, ,) (NP (NNS backs)) (, ,) (NP (NNS fronts)) (, ,) (NP (NNS cuffs)) (, ,) (CC and) (NP (NNS sleeves))))) (VP (MD might) (VP (VB be) (PP (IN on) (NP (NP (CD one) (NN side)) (PP (IN of) (NP (DT a) (NN center) (NN aisle))))) (PP (IN down) (NP (NP (DT the) (NN factory) (NN floor)) (CC and) (NP (NP (DT the) (JJ major) (NN assembly) (NNS steps)) (PP (IN on) (NP (DT the) (JJ other) (NN side)))))))) (. .)))
There is never a subassembly for cuffs or sleeves on either side of the aisle.
( There ( ( ( ( is never ) ( ( a subassembly ) ( for ( ( cuffs or ) sleeves ) ) ) ) ( on ( ( either side ) ( of ( the aisle ) ) ) ) ) . ) )
(ROOT (S (NP (EX There)) (VP (VBZ is) (ADVP (RB never)) (NP (NP (DT a) (NN subassembly)) (PP (IN for) (NP (NNS cuffs) (CC or) (NNS sleeves)))) (PP (IN on) (NP (NP (DT either) (NN side)) (PP (IN of) (NP (DT the) (NN aisle)))))) (. .)))