Communications can be mysterious.Logical formLearned from5 sentences. (Living organisms) can be mysterious.Logical formLearned from5 sentences. (Radio signals) can be mysterious.Logical formLearned from5 sentences. A bishop can be mysterious.Logical formLearned from5 sentences. A place can be mysterious.Logical formLearned from5 sentences. A lost city can be mysterious.Logical formLearned from5 sentences. An irishman can be mysterious.Logical formLearned from5 sentences. A guilt can be mysterious.Logical formLearned from5 sentences. Earthquakes can be mysterious.Logical formLearned from5 sentences. Websites can be mysterious.Logical formLearned from5 sentences. A vortex can be mysterious.Logical formLearned from5 sentences. A fortuneteller can be mysterious.Logical formLearned from5 sentences. A handwriting can be mysterious.Logical formLearned from5 sentences. Behaviors can be mysterious.Logical formLearned from5 sentences. A motivation can be mysterious.Logical formLearned from5 sentences.