An item can be valid.Logical formLearned from15 sentences. A xml can be valid.Logical formLearned from15 sentences. An (award vote) can be valid.Logical formLearned from15 sentences. Grievances can be valid.Logical formLearned from15 sentences. An identity can be valid.Logical formLearned from15 sentences. (Identity cards) can be valid.Logical formLearned from15 sentences. Some complaints can be valid.Logical formLearned from15 sentences. A thru can be valid.Logical formLearned from15 sentences. Some ideas can be valid.Logical formLearned from15 sentences. Standards can be valid.Logical formLearned from15 sentences. (Press credentials) can be valid.Logical formLearned from15 sentences. Studies can be valid.Logical formLearned from15 sentences. A tax can be valid.Logical formLearned from15 sentences. A (shell variable name) can be valid.Logical formLearned from15 sentences. A grant can be valid.Logical formLearned from15 sentences.