A distribution can be valid.Logical formLearned from5 sentences. (Postage stamps) can be valid.Logical formLearned from5 sentences. An encryption can be valid.Logical formLearned from5 sentences. A clue can be valid.Logical formLearned from5 sentences. Some perceptions can be valid.Logical formLearned from5 sentences. A ticket can be valid for a journey.Logical formLearned from5 sentences. An alternative theory can be valid.Logical formLearned from5 sentences. Baptisms can be valid.Logical formLearned from5 sentences. A (marriage certificate) can be valid.Logical formLearned from5 sentences. A (student pass) can be valid.Logical formLearned from5 sentences. Options can be valid.Logical formLearned from5 sentences. A transformation can be valid.Logical formLearned from5 sentences. Methods can be valid.Logical formLearned from5 sentences. A state may remain valid.Logical formLearned from5 sentences. A morality can be valid.Logical formLearned from5 sentences.