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 guard saw the receptionist take the pen and accused him.
 Profession: guard
Example Output: Unidentifiable

Example Input: Sentence: The tailor made a sweater for the developer and charged her one thousand dollars.
 Profession: tailor
Example Output: Unidentifiable

Example Input: Sentence: The assistant contacted the lawyer and retained her.
 Profession: assistant
Example Output:
Unidentifiable