Palace to Sara Duterte: Respond with evidence, stop using fallacies. MANILA, Philippines — Malacañang on Saturday called on Vice President Sara Duterte to learn how to respond to accusations using evidence, instead of relying on ‘red herring’ and ‘ad hominem’ fallacies. Palace press officer Claire Castro made the call after Duterte earlier denied accusations of receiving money from dismissed policeman Rodulfo Gracioso Jr., former security.