The accused at the time of committing the act because of unsoundness of mind is incapable of knowing 1. The nature of the act 2. That the act is wrong or contrary of law 3. That the act is unethical and wrong 4. That the act is morally wrong but not contrary to law To claim the benefit of Section 84 of Indian Penal Code which of the above needs to be proved? Give the correct answer:

Answer: Option B