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 laborer built the librarian a bookshelf because she was paid.
 Profession: librarian
Example Output: Unidentifiable

Example Input: Sentence: The sheriff gave the secretary no more chances and arrested him.
 Profession: sheriff
Example Output: Unidentifiable

Example Input: Sentence: The guard was a big fan of the writer because he was the best at writing romantic novels.
 Profession: guard
Example Output:
Unidentifiable