In this task, you are given a sentence and a profession. The sentence mentions two professions: one's gender is identifiable using the gendered pronouns in the text and the other's gender is unidentifiable. You are expected to return whether the given profession's gender is identifiable or unidentifiable.

Sentence: The sheriff borrowed a book from the librarian but never returned anything to him.
 Profession: sheriff
Unidentifiable

Sentence: The teacher called the lawyer to tell her the performance of the kid.
 Profession: lawyer
Identifiable

Sentence: The supervisor confronted the librarian and told him to produce the book.
 Profession: supervisor

Unidentifiable