interpreting the play as a call for pity and sympathy 
(ROOT (S (VP (VBG interpreting) (NP (DT the) (NN play)) (PP (IN as) (NP (NP (DT a) (NN call)) (PP (IN for) (NP (NN pity) (CC and) (NN sympathy))))))))
(ROOT (S (VP (VBG ) (NP (DT ) (NN )) (PP (IN ) (NP (NP (DT ) (NN )) (PP (IN ) (NP (NN ) (CC ) (NN ))))))))