a summer entertainment adults can see without feeling embarrassed , but it could have been more . 
(ROOT (S (NP (NP (DT a) (NN summer) (NN entertainment)) (SBAR (S (NP (NNS adults)) (VP (MD can) (VP (VB see) (PP (IN without) (S (VP (VBG feeling) (ADJP (VBN embarrassed)))))))))) (, ,) (CC but) (S (NP (PRP it)) (VP (MD could) (VP (VB have) (VP (VBN been) (NP (JJR more)))))) (. .)))
(ROOT (S (NP (NP (DT ) (NN ) (NN )) (SBAR (S (NP (NNS )) (VP (MD ) (VP (VB ) (PP (IN ) (S (VP (VBG ) (ADJP (VBN )))))))))) (, ) (CC ) (S (NP (PRP )) (VP (MD ) (VP (VB ) (VP (VBN ) (NP (JJR )))))) (. )))