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 salesperson greeted the attendant and tried to sell him something.
 Profession: salesperson
Example Output: Unidentifiable

Example Input: Sentence: The writer asked the mover to move everything to the new apartment and paid her.
 Profession: writer
Example Output: Unidentifiable

Example Input: Sentence: The developer argued with the designer because his idea cannot be implemented.
 Profession: developer
Example Output:
Unidentifiable