Task: Instance Description Understanding (ontology: Sciences/Biology)

Which of the following definitions best describes the instance 'xyr'?

A. A folk tale in which a person's vagina is said to contain teeth, with the associated implication that sexual intercourse might result in injury, emasculation, or castration for the person whose penis is involved. The topic of "the instance" may also cover a rare medical condition affecting the vagina, in which case it is more accurately termed a vaginal dermoid cyst.
B. Gender-neutral third-person singular subject pronoun, coordinate with gendered pronouns he and she.
C. Belonging to xe, their (singular). Gender-neutral third-person singular possessive adjective, coordinate with his and her.
D. Belonging to you; of you; related to you (plural; more owners).

Answer: Belonging to xe, their (singular). Gender-neutral third-person singular possessive adjective, coordinate with his and her.