An answer to a riddle can be newspaper.Logical formLearned from1 sentences. A riddle may pertain-to an investigation.Logical formLearned from1 sentences. A riddle of an investigation can be that something-is-the-case.Logical formLearned from1 sentences. Riddles can be about democracy.Logical formLearned from1 sentences. Riddles may pertain-to a century.Logical formLearned from1 sentences. Riddle can be in a war.Logical formLearned from1 sentences. Riddle may be knowned.Logical formLearned from1 sentences. A riddle can be in a war.Logical formLearned from1 sentences. Riddles can be in (breast cancer research).Logical formLearned from1 sentences. An unquantifiable can be a riddle.Logical formLearned from1 sentences. A riddle can be conjugal.Logical formLearned from1 sentences. Instructions can be in (riddle form).Logical formLearned from1 sentences. A lunatic may spin riddles.Logical formLearned from1 sentences. A riddle may pertain-to a missing mass.Logical formLearned from1 sentences. A nature of thought may be revealed by a riddle.Logical formLearned from1 sentences.