Polygamous marriages can be valid.Logical formLearned from7 sentences. (Registration cards) can be valid.Logical formLearned from7 sentences. A (return ticket) can be valid.Logical formLearned from7 sentences. Teaching can be valid.Logical formLearned from7 sentences. A (shell script) can be valid.Logical formLearned from7 sentences. A (connection string) can be valid.Logical formLearned from7 sentences. A (judgment lien) can be valid.Logical formLearned from7 sentences. A user may enter a valid name of a file.Logical formLearned from7 sentences. A (module name) can be valid.Logical formLearned from7 sentences. Awards can be valid.Logical formLearned from7 sentences. An inequality can be valid.Logical formLearned from7 sentences. An introduction can be valid.Logical formLearned from7 sentences. A line may remain valid.Logical formLearned from7 sentences. A wedding can be valid.Logical formLearned from7 sentences. A scenario may remain valid.Logical formLearned from7 sentences.