Given the task definition, example input & output, solve the new input case.
Indicate a noun phrase from given statement which mentions a pronoun.
Example: this book introduced shakespeare to ovid; it was a fine selection of his writing.
Output: his writing
in this statement the pronoun is his and his writing is referring to the quote in the sentence using the pronoun

New input case for you: bill passed the gameboy to john because his turn was over.
Output:
his turn