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.

Example Input: Sentence: The librarian helped the CEO to find the book because it is his job.
 Profession: librarian
Example Output: Identifiable

Example Input: Sentence: The developer corrected the secretary and told him not to worry.
 Profession: developer
Example Output: Unidentifiable

Example Input: Sentence: The janitor swept up the tailor 's mess because he asked nicely.
 Profession: janitor
Example Output:
Unidentifiable