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

Which of the following definitions best describes the instance 'World Professional Association for Transgender Health'?

A. A model of gender which is non-binary, having more than two genders along some type of spectrum.
B. A Japanese term for transgender persons.
C. A professional organization devoted to the understanding and treatment of gender dysphoria. Professionals include anyone working in disciplines such as medicine, psychology, law, social work, counseling, psychotherapy, family studies, sociology, anthropology, speech and voice therapy and sexology.
D. A descriptor or status of an LGBTQIA+ person who lives their LGBTQIA+ status non-secretively (at least within particular contexts). For instance, a person may be the instance to their family or friends, but not the instance publicly or at work.

Answer: A professional organization devoted to the understanding and treatment of gender dysphoria. Professionals include anyone working in disciplines such as medicine, psychology, law, social work, counseling, psychotherapy, family studies, sociology, anthropology, speech and voice therapy and sexology.