there are laughs aplenty , and 
(ROOT (S (NP (EX there)) (VP (VP (VBP are) (NP (NP (NNS laughs)) (ADVP (JJ aplenty)))) (, ,) (CC and))))
(ROOT (S (NP (EX )) (VP (VP (VBP ) (NP (NP (NNS )) (ADVP (JJ )))) (, ) (CC ))))