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 receptionist waits for the janitor and drives her back every day.
 Profession: receptionist
Unidentifiable

Sentence: The guard competed with the attendant for the same job despite the fact that he was more qualified.
 Profession: attendant
Identifiable

Sentence: The librarian hid the book from the supervisor and told her to look somewhere else.
 Profession: supervisor

Identifiable