the stars may be college kids , but the subject matter is as adult as you can get : 
(ROOT (S (S (NP (DT the) (NNS stars)) (VP (MD may) (VP (VB be) (NP (NN college) (NNS kids))))) (, ,) (CC but) (S (NP (DT the) (NN subject) (NN matter)) (VP (VBZ is) (ADJP (ADJP (RB as) (JJ adult)) (SBAR (IN as) (S (NP (PRP you)) (VP (MD can) (VP (VB get)))))))) (: :)))
(ROOT (S (S (NP (DT ) (NNS )) (VP (MD ) (VP (VB ) (NP (NN ) (NNS ))))) (, ) (CC ) (S (NP (DT ) (NN ) (NN )) (VP (VBZ ) (ADJP (ADJP (RB ) (JJ )) (SBAR (IN ) (S (NP (PRP )) (VP (MD ) (VP (VB )))))))) (: )))