But the long lead times they require will increasingly challenge such arrangements.
( But ( ( the ( long ( lead times ) ) ) ( they ( ( require ( ( will increasingly ) ( challenge ( such arrangements ) ) ) ) . ) ) ) )
(ROOT (S (CC But) (NP (DT the) (JJ long) (JJ lead) (NNS times)) (NP (PRP they)) (VP (VBP require) (SBAR (S (VP (MD will) (ADVP (RB increasingly)) (VP (VB challenge) (NP (JJ such) (NNS arrangements))))))) (. .)))
Long lead times will not ever occur
( ( Long ( lead times ) ) ( ( ( will not ) ever ) occur ) )
(ROOT (S (NP (JJ Long) (NN lead) (NNS times)) (VP (MD will) (RB not) (ADVP (RB ever)) (VP (VB occur)))))