Somewhat more involved 
( Somewhat ( more involved ) )
(ROOT (S (VP (VB Somewhat) (ADJP (RBR more) (VBN involved)))))
There are others that require even more.
( There ( ( are ( others ( that ( require ( even more ) ) ) ) ) . ) )
(ROOT (S (NP (EX There)) (VP (VBP are) (NP (NP (NNS others)) (SBAR (WHNP (WDT that)) (S (VP (VBP require) (ADJP (RB even) (JJR more))))))) (. .)))