recommend secretary , based on the wonderful acting clinic put on by spader and gyllenhaal 
(ROOT (S (VP (VBP recommend) (NP (NP (NN secretary)) (, ,) (PP (VBN based) (PP (IN on) (NP (NP (DT the) (JJ wonderful) (NN acting) (NN clinic)) (VP (VBN put) (PRT (RP on)) (PP (IN by) (NP (NN spader) (CC and) (NN gyllenhaal)))))))))))
(ROOT (S (VP (VBP ) (NP (NP (NN )) (, ) (PP (VBN ) (PP (IN ) (NP (NP (DT ) (JJ ) (NN ) (NN )) (VP (VBN ) (PRT (RP )) (PP (IN ) (NP (NN ) (CC ) (NN )))))))))))