But there's plenty more.
( But ( there ( ( ( 's plenty ) more ) . ) ) )
(ROOT (S (CC But) (NP (EX there)) (VP (VBZ 's) (ADVP (RB plenty)) (ADJP (JJR more))) (. .)))
There is a lot more. 
( There ( ( is ( ( a lot ) more ) ) . ) )
(ROOT (S (NP (EX There)) (VP (VBZ is) (ADJP (NP (DT a) (RB lot)) (JJR more))) (. .)))