i 've never bought from telemarketers , but i bought this movie . 
(ROOT (S (S (NP (PRP i)) (VP (VBP 've) (ADVP (RB never)) (VP (VBN bought) (PP (IN from) (NP (NNS telemarketers)))))) (, ,) (CC but) (S (NP (PRP i)) (VP (VBD bought) (NP (DT this) (NN movie)))) (. .)))
(ROOT (S (S (NP (PRP )) (VP (VBP ) (ADVP (RB )) (VP (VBN ) (PP (IN ) (NP (NNS )))))) (, ) (CC ) (S (NP (PRP )) (VP (VBD ) (NP (DT ) (NN )))) (. )))