he exercise in ‘fine detection' in Sherlock Holmesian fashion, unsolicited by you, that I wanted to offer relates to your Facebook friend with whose words you opened this post. Clearly (0) It's a she but even more clearly (0) she's upper caste. Only upper castes, as you conclude in your piece, can joke about the question or assert the luxury of not answering it, in this case she does it almost in reprehensibly cavalier fashion. Shame on her. 