A virus can be mysterious.Logical formLearned from420 sentences. A place can be mysterious.Logical formLearned from409 sentences. An object can be mysterious.Logical formLearned from377 sentences. A deity may work in mysterious ways.Logical formLearned from367 sentences. A creature can be mysterious.Logical formLearned from354 sentences. A (plane crash) can be mysterious.Logical formLearned from354 sentences. A process can be mysterious.Logical formLearned from346 sentences. A reason can be mysterious.Logical formLearned from345 sentences. A voice can be mysterious.Logical formLearned from332 sentences. Powers can be mysterious.Logical formLearned from321 sentences. A male can be mysterious.Logical formLearned from316 sentences. Creatures can be mysterious.Logical formLearned from311 sentences. Forces can be mysterious.Logical formLearned from307 sentences. An ailment can be mysterious.Logical formLearned from272 sentences. A man can be mysterious.Logical formLearned from271 sentences.