A char can be signed.Logical formLearned from27 sentences. Paintings can be signed.Logical formLearned from26 sentences. A communication can be signed.Logical formLearned from26 sentences. A documentation can be signed.Logical formLearned from26 sentences. A (confidentiality agreement) can be signed.Logical formLearned from26 sentences. A protocol can be signed.Logical formLearned from26 sentences. A (registration form) can be signed.Logical formLearned from25 sentences. Postcards can be signed.Logical formLearned from25 sentences. Autographs can be signed.Logical formLearned from25 sentences. Portraits can be signed.Logical formLearned from25 sentences. A football can be signed.Logical formLearned from25 sentences. (Peace deals) can be signed.Logical formLearned from24 sentences. Data can be signed.Logical formLearned from24 sentences. Records can be signed.Logical formLearned from24 sentences. An attribute can be signed.Logical formLearned from24 sentences.