A cd can be signed.Logical formLearned from29 sentences. A hardcover can be signed.Logical formLearned from29 sentences. A column can be signed.Logical formLearned from29 sentences. Responses can be signed.Logical formLearned from28 sentences. A paperwork can be signed.Logical formLearned from28 sentences. An artwork can be signed.Logical formLearned from28 sentences. A sheet can be signed.Logical formLearned from28 sentences. A bat can be signed.Logical formLearned from28 sentences. An essay can be signed.Logical formLearned from28 sentences. A (plea agreement) can be signed.Logical formLearned from28 sentences. A (peace accord) can be signed.Logical formLearned from27 sentences. An (application form) can be signed.Logical formLearned from27 sentences. Drivers can be signed.Logical formLearned from27 sentences. Balls can be signed.Logical formLearned from27 sentences. Transactions can be signed.Logical formLearned from27 sentences.