A helmet can be signed.Logical formLearned from10 sentences. Endeavors can be signed.Logical formLearned from10 sentences. Free agents can be signed.Logical formLearned from10 sentences. A cheque can be signed.Logical formLearned from10 sentences. A (cease-fire accord) can be signed.Logical formLearned from10 sentences. A collector can be signed.Logical formLearned from10 sentences. Members can be signed.Logical formLearned from10 sentences. An (oil painting) can be signed.Logical formLearned from10 sentences. A hat can be signed.Logical formLearned from10 sentences. An undertaking can be signed.Logical formLearned from10 sentences. (Permission forms) can be signed.Logical formLearned from10 sentences. Binaries can be signed.Logical formLearned from10 sentences. Drawings can be signed.Logical formLearned from10 sentences. Instruments can be signed.Logical formLearned from10 sentences. Protocols can be signed.Logical formLearned from10 sentences.