Let's look for Paua shells!
( ( Let 's ) ( ( look ( for ( Paua shells ) ) ) ! ) )
(ROOT (S (NP (NNP Let) (POS 's)) (VP (VBP look) (PP (IN for) (NP (NNP Paua) (NNS shells)))) (. !)))
Let's look for shells.
( ( Let 's ) ( ( look ( for shells ) ) . ) )
(ROOT (S (NP (NNP Let) (POS 's)) (VP (VBP look) (PP (IN for) (NP (NNS shells)))) (. .)))