Attorney-General v. Tion
The respondent had drunken intercourse with the complainant. He claimed that he mistook the complainant for his wife in his drunken stupor. She also mistook the respondent to be her husband during the intercourse. After intercourse, she realized that the respondent was not her husband. The respondent also claimed that he did not know the complainant was not his wife until this moment. Consequently, the court acquitted the respondent of rape and criminal trespass.