Markers are made by hand, tracing pattern pieces onto sheets of paper from thick, pre-cut cardboard pattern elements.
( Markers ( ( are ( ( ( made ( by hand ) ) , ) ( ( ( tracing ( pattern pieces ) ) ( onto ( sheets ( of paper ) ) ) ) ( from ( thick ( , ( pre-cut ( cardboard ( pattern elements ) ) ) ) ) ) ) ) ) . ) )
(ROOT (S (NP (NNS Markers)) (VP (VBP are) (VP (VBN made) (PP (IN by) (NP (NN hand))) (, ,) (S (VP (VBG tracing) (NP (NN pattern) (NNS pieces)) (PP (IN onto) (NP (NP (NNS sheets)) (PP (IN of) (NP (NN paper))))) (PP (IN from) (NP (JJ thick) (, ,) (JJ pre-cut) (NN cardboard) (NN pattern) (NNS elements))))))) (. .)))
Computer systems are not capable of creating markers.
( ( Computer systems ) ( ( ( are not ) ( capable ( of ( creating markers ) ) ) ) . ) )
(ROOT (S (NP (NNP Computer) (NNS systems)) (VP (VBP are) (RB not) (ADJP (JJ capable) (PP (IN of) (S (VP (VBG creating) (NP (NNS markers))))))) (. .)))