A planet can be mysterious.Logical formLearned from28 sentences. A comment can be mysterious.Logical formLearned from28 sentences. A serial killer can be mysterious.Logical formLearned from28 sentences. A murderer can be mysterious.Logical formLearned from27 sentences. A rider can be mysterious.Logical formLearned from27 sentences. An expression can be mysterious.Logical formLearned from27 sentences. A charge can be mysterious.Logical formLearned from27 sentences. A vision can be mysterious.Logical formLearned from27 sentences. A transmission can be mysterious.Logical formLearned from27 sentences. A map can be mysterious.Logical formLearned from27 sentences. Markings can be mysterious.Logical formLearned from27 sentences. A stigmata can be mysterious.Logical formLearned from27 sentences. A mask can be mysterious.Logical formLearned from27 sentences. (Error messages) can be mysterious.Logical formLearned from27 sentences. A galaxy can be mysterious.Logical formLearned from27 sentences.