A vote can be valid.Logical formLearned from314 sentences. Rights can be valid.Logical formLearned from310 sentences. A certificate can be valid.Logical formLearned from307 sentences. A contract can be valid.Logical formLearned from307 sentences. A license can be valid.Logical formLearned from302 sentences. A method can be valid.Logical formLearned from294 sentences. An option can be valid.Logical formLearned from287 sentences. A vote can be valid.Logical formLearned from286 sentences. Results can be valid.Logical formLearned from283 sentences. A value can be valid.Logical formLearned from283 sentences. A ticket can be valid.Logical formLearned from282 sentences. A (credit card) can be valid.Logical formLearned from279 sentences. A proof can be valid.Logical formLearned from277 sentences. Reasons can be valid.Logical formLearned from268 sentences. A comparison can be valid.Logical formLearned from267 sentences.