In a typical apparel factory, a sewing operator is actually sewing only one-quarter of the time.
( ( In ( a ( typical ( apparel factory ) ) ) ) ( , ( ( a ( sewing operator ) ) ( ( ( is actually ) ( sewing ( ( only one-quarter ) ( of ( the time ) ) ) ) ) . ) ) ) )
(ROOT (S (PP (IN In) (NP (DT a) (JJ typical) (NN apparel) (NN factory))) (, ,) (NP (DT a) (VBG sewing) (NN operator)) (VP (VBZ is) (ADVP (RB actually)) (VP (VBG sewing) (NP (NP (JJ only) (NN one-quarter)) (PP (IN of) (NP (DT the) (NN time)))))) (. .)))
A sewing operator likes to whistle while they are sewing.
( ( A ( sewing operator ) ) ( ( likes ( to ( whistle ( while ( they ( are sewing ) ) ) ) ) ) . ) )
(ROOT (S (NP (DT A) (VBG sewing) (NN operator)) (VP (VBZ likes) (S (VP (TO to) (VP (VB whistle) (SBAR (IN while) (S (NP (PRP they)) (VP (VBP are) (VP (VBG sewing))))))))) (. .)))