A key can be valid.Logical formLearned from138 sentences. A ticket can be valid.Logical formLearned from137 sentences. A conclusion can be valid.Logical formLearned from136 sentences. A criticism can be valid.Logical formLearned from135 sentences. A process can be valid.Logical formLearned from135 sentences. A statement can be valid.Logical formLearned from135 sentences. A (student id) can be valid.Logical formLearned from134 sentences. Data can be valid.Logical formLearned from134 sentences. A warrant can be valid.Logical formLearned from133 sentences. A tool can be valid.Logical formLearned from133 sentences. A concern can be valid.Logical formLearned from132 sentences. A marriage can be valid.Logical formLearned from132 sentences. Delivery can be valid for some orders.Logical formLearned from131 sentences. A part can be valid.Logical formLearned from130 sentences. Permits can be valid.Logical formLearned from130 sentences.