More subtle and less readily articulated objections probably exist.
( ( ( ( ( More subtle ) and ) ( less ( readily articulated ) ) ) objections ) ( probably ( exist . ) ) )
(ROOT (S (NP (ADJP (ADJP (RBR More) (JJ subtle)) (CC and) (ADJP (RBR less) (RB readily) (JJ articulated))) (NNS objections)) (ADVP (RB probably)) (VP (VBP exist)) (. .)))
There are undoubtedly objections that are both more arcane and not easily expressed.
( There ( ( ( are undoubtedly ) ( objections ( that ( ( ( ( ( are both ) ( more arcane ) ) and ) not ) ( easily expressed ) ) ) ) ) . ) )
(ROOT (S (NP (EX There)) (VP (VBP are) (ADVP (RB undoubtedly)) (NP (NP (NNS objections)) (SBAR (WHNP (WDT that)) (S (VP (VP (VBP are) (DT both) (ADJP (RBR more) (JJ arcane))) (CC and) (RB not) (VP (ADVP (RB easily)) (VBD expressed))))))) (. .)))