Then a unique marker must be created that combines different orders using the same fabric.
( Then ( ( a ( unique marker ) ) ( ( must ( be ( created ( that ( combines ( ( different orders ) ( using ( the ( same fabric ) ) ) ) ) ) ) ) ) . ) ) )
(ROOT (S (RB Then) (NP (DT a) (JJ unique) (NN marker)) (VP (MD must) (VP (VB be) (VP (VBN created) (SBAR (IN that) (S (VP (VBZ combines) (NP (NP (JJ different) (NNS orders)) (VP (VBG using) (NP (DT the) (JJ same) (NN fabric)))))))))) (. .)))
It is not necessary to mark the different orders.
( It ( ( ( is not ) ( necessary ( to ( mark ( the ( different orders ) ) ) ) ) ) . ) )
(ROOT (S (NP (PRP It)) (VP (VBZ is) (RB not) (ADJP (JJ necessary) (S (VP (TO to) (VP (VB mark) (NP (DT the) (JJ different) (NNS orders))))))) (. .)))