A (football shirt) can be signed.Logical formLearned from3 sentences. A (confidentiality undertaking) can be signed.Logical formLearned from3 sentences. A (confidentiality statement) can be signed.Logical formLearned from3 sentences. Texts can be signed.Logical formLearned from3 sentences. A (court statement) can be signed.Logical formLearned from3 sentences. Red shirts can be signed.Logical formLearned from3 sentences. A (stimulus bill) can be signed.Logical formLearned from3 sentences. An (election poster) can be signed.Logical formLearned from3 sentences. A (rookie contract) can be signed.Logical formLearned from3 sentences. A mandate can be signed.Logical formLearned from3 sentences. A 21-year-old can be signed.Logical formLearned from3 sentences. A rivaldo can be signed.Logical formLearned from3 sentences. A (nonaggression treaty) can be signed.Logical formLearned from3 sentences. Stars can be signed.Logical formLearned from3 sentences. A defector can be signed.Logical formLearned from3 sentences.