What is the appositive in this sentence?

J. M. Barrie's book Peter Pan was made into a play and a movie.

a. Barrie's book

b. was made

c. Peter Pan

d. a movie

The appositive in the given sentence: J. M. Barrie's book Peter Pan was made into a play and a movie, is (a) J. M. Barrie's book. Appositives are noun or noun phrases which gives another name to the noun near it. They are very easy to trace. In this case, Peter Pan is a noun. It is renamed into J. M. Barrie's book. Thus, "Barrie's book" is an appositive of Peter Pan.

Additional Notes:

(b) was made: is the verb

(c) Peter Pan: is the main noun

(d) into a movie: is the prepositional phrase