(Breath samples) can be valid.Logical formLearned from5 sentences. An endorsement can be valid.Logical formLearned from5 sentences. A step can be valid.Logical formLearned from5 sentences. A browser can be valid.Logical formLearned from5 sentences. Perceptions can be valid.Logical formLearned from5 sentences. A commitment can be valid.Logical formLearned from5 sentences. Orders/notices can be valid.Logical formLearned from5 sentences. A (voter petition) can be valid.Logical formLearned from5 sentences. An inventory can be valid.Logical formLearned from5 sentences. A patron can be valid.Logical formLearned from5 sentences. Invoices can be valid.Logical formLearned from5 sentences. An e-ticket can be valid.Logical formLearned from5 sentences. A disclosure can be valid.Logical formLearned from5 sentences. An audit can be valid.Logical formLearned from5 sentences. (Contract terms) can be valid.Logical formLearned from5 sentences.