Considering 'But it is patently ridiculous to refer to someone whose sex is known as a chairperson .  Chair should be reserved for the office of the chairperson, not the person holding the office.', can one logically arrive at 'Calling someone whose sex is known a chairperson is not so intelligent.'
But it is patently ridiculous to refer to someone whose sex is known as a chairperson .  Chair should be reserved for the office of the chairperson, not the person holding the office.###Calling someone whose sex is known a chairperson is not so intelligent.