Suits and pants require thread colors that match or blend with the shell fabric, and it is important to reduce the number of thread changes the sewing operator has to make.
( ( ( ( ( ( ( Suits and ) pants ) ( require ( ( thread colors ) ( that ( ( match or ) ( blend ( with ( the ( shell fabric ) ) ) ) ) ) ) ) ) , ) and ) ( it ( is ( important ( to ( reduce ( ( ( the number ) ( of ( thread changes ) ) ) ( ( the ( sewing operator ) ) ( has ( to make ) ) ) ) ) ) ) ) ) ) . )
(ROOT (S (S (NP (NNS Suits) (CC and) (NNS pants)) (VP (VBP require) (NP (NP (NN thread) (NNS colors)) (SBAR (WHNP (WDT that)) (S (VP (VP (VB match)) (CC or) (VP (VB blend) (PP (IN with) (NP (DT the) (JJ shell) (NN fabric)))))))))) (, ,) (CC and) (S (NP (PRP it)) (VP (VBZ is) (ADJP (JJ important) (S (VP (TO to) (VP (VB reduce) (NP (NP (DT the) (NN number)) (PP (IN of) (NP (NN thread) (NNS changes))) (SBAR (S (NP (DT the) (VBG sewing) (NN operator)) (VP (VBZ has) (S (VP (TO to) (VP (VB make)))))))))))))) (. .)))
Sewing operators don't like having to make a lot of thread changes.
( ( Sewing operators ) ( ( ( do n't ) ( like ( having ( to ( make ( ( a lot ) ( of ( thread changes ) ) ) ) ) ) ) ) . ) )
(ROOT (S (NP (NNP Sewing) (NNS operators)) (VP (VBP do) (RB n't) (VP (VB like) (S (VP (VBG having) (S (VP (TO to) (VP (VB make) (NP (NP (DT a) (NN lot)) (PP (IN of) (NP (NN thread) (NNS changes))))))))))) (. .)))