But the need is still great.
( But ( ( the need ) ( ( ( is still ) great ) . ) ) )
(ROOT (S (CC But) (NP (DT the) (NN need)) (VP (VBZ is) (ADVP (RB still)) (ADJP (JJ great))) (. .)))
There is still a great need.
( There ( ( ( is still ) ( a ( great need ) ) ) . ) )
(ROOT (S (NP (EX There)) (VP (VBZ is) (ADVP (RB still)) (NP (DT a) (JJ great) (NN need))) (. .)))