Let's Sports! (ad for an athletic club)' 
( ( Let ( ( 's ( Sports ! ) ) ( -LRB- ( ( ad ( for ( an ( athletic club ) ) ) ) -RRB- ) ) ) ) ' )
(ROOT (VP (VB Let) (NP (NP (NNP 's) (NNP Sports) (. !)) (PRN (-LRB- -LRB-) (NP (NP (NN ad)) (PP (IN for) (NP (DT an) (JJ athletic) (NN club)))) (-RRB- -RRB-))) (S (NP (POS ')))))
The ad was for the comic book club.
( ( The ad ) ( ( was ( for ( the ( comic ( book club ) ) ) ) ) . ) )
(ROOT (S (NP (DT The) (NN ad)) (VP (VBD was) (PP (IN for) (NP (DT the) (JJ comic) (NN book) (NN club)))) (. .)))