A survey can be valid.Logical formLearned from54 sentences. Passports can be valid.Logical formLearned from54 sentences. Examples can be valid.Logical formLearned from53 sentences. A sequence can be valid.Logical formLearned from53 sentences. Models can be valid.Logical formLearned from53 sentences. An index can be valid.Logical formLearned from53 sentences. Accounts can be valid.Logical formLearned from53 sentences. A key can be valid.Logical formLearned from53 sentences. A pass can be valid.Logical formLearned from53 sentences. Elements can be valid.Logical formLearned from53 sentences. A (file name) can be valid.Logical formLearned from53 sentences. A (phone number) can be valid.Logical formLearned from52 sentences. (Income sources) can be valid.Logical formLearned from52 sentences. A line can be valid.Logical formLearned from52 sentences. A relationship can be valid.Logical formLearned from52 sentences.