he seems embarrassed to be part of 
(ROOT (S (NP (PRP he)) (VP (VBZ seems) (S (ADJP (VBN embarrassed) (S (VP (TO to) (VP (VB be) (NP (NP (NN part)) (PP (IN of)))))))))))
(ROOT (S (NP (PRP )) (VP (VBZ ) (S (ADJP (VBN ) (S (VP (TO ) (VP (VB ) (NP (NP (NN )) (PP (IN )))))))))))