Sewing rooms are generally arranged in rows of workers, each seated at a machine doing one operation on a bundle of parts.
( ( Sewing rooms ) ( ( ( are generally ) ( ( ( arranged ( in ( rows ( of workers ) ) ) ) , ) ( each ( seated ( at ( ( a machine ) ( doing ( ( one operation ) ( on ( ( a bundle ) ( of parts ) ) ) ) ) ) ) ) ) ) ) . ) )
(ROOT (S (NP (NNP Sewing) (NNS rooms)) (VP (VBP are) (ADVP (RB generally)) (VP (VP (VBN arranged) (PP (IN in) (NP (NP (NNS rows)) (PP (IN of) (NP (NNS workers)))))) (, ,) (NP (NP (DT each)) (VP (VBN seated) (PP (IN at) (NP (NP (DT a) (NN machine)) (VP (VBG doing) (NP (NP (CD one) (NN operation)) (PP (IN on) (NP (NP (DT a) (NN bundle)) (PP (IN of) (NP (NNS parts))))))))))))) (. .)))
Workers sit wherever they please in sewing rooms, and sew by hand.
( Workers ( ( sit ( wherever ( they ( ( ( ( please ( in ( sewing rooms ) ) ) , ) and ) ( sew ( by hand ) ) ) ) ) ) . ) )
(ROOT (S (NP (NNPS Workers)) (VP (VBP sit) (SBAR (WHADVP (WRB wherever)) (S (NP (PRP they)) (VP (VP (VBP please) (PP (IN in) (NP (VBG sewing) (NNS rooms)))) (, ,) (CC and) (VP (VBP sew) (PP (IN by) (NP (NN hand)))))))) (. .)))