some of the professors i think imitate Big Bird
( ( some ( of ( the ( professors i ) ) ) ) ( think ( imitate ( Big Bird ) ) ) )
(ROOT (S (NP (NP (DT some)) (PP (IN of) (NP (DT the) (FW professors) (FW i)))) (VP (VBP think) (NP (NNP imitate) (NNP Big) (NNP Bird)))))
None of the professors attempt to be like Big Bird in my view.
( ( None ( of ( the professors ) ) ) ( ( attempt ( to ( be ( like ( ( Big Bird ) ( in ( my view ) ) ) ) ) ) ) . ) )
(ROOT (S (NP (NP (NN None)) (PP (IN of) (NP (DT the) (NNS professors)))) (VP (VBP attempt) (S (VP (TO to) (VP (VB be) (PP (IN like) (NP (NP (NNP Big) (NNP Bird)) (PP (IN in) (NP (PRP$ my) (NN view))))))))) (. .)))