Riddles can be witty.Logical formLearned from2 sentences. A person may become a riddle to him-or-herself.Logical formLearned from2 sentences. Riddles can be difficult.Logical formLearned from2 sentences. (Picture riddles) can be intriguing.Logical formLearned from2 sentences. Riddles may face human beings.Logical formLearned from2 sentences. An explanation can be to a riddle.Logical formLearned from2 sentences. Astronomers may find a solution to a riddle.Logical formLearned from2 sentences. A riddle may pertain-to a dream.Logical formLearned from2 sentences. A person may understand a riddle of a dream.Logical formLearned from2 sentences. An assertion may seem a riddle.Logical formLearned from2 sentences. Answers can be to a riddle of life.Logical formLearned from2 sentences. A riddle may pertain-to dinosaurs.Logical formLearned from2 sentences. Riddles can be doctrinal.Logical formLearned from2 sentences. A (question answer) may introduce a riddle.Logical formLearned from2 sentences. A rotation can be a riddle.Logical formLearned from2 sentences.