A signing can be illegal.Logical formLearned from20 sentences. A friendship may undergo a signing.Logical formLearned from20 sentences. A (disarmament treaty) may undergo a signing.Logical formLearned from20 sentences. A (homeland agreement) may undergo a signing.Logical formLearned from20 sentences. A signing can be for season.Logical formLearned from20 sentences. A (labor agreement) may undergo a signing.Logical formLearned from20 sentences. A (security treaty) may undergo a signing.Logical formLearned from20 sentences. A (signing ceremony) can be for an agreement.Logical formLearned from20 sentences. A (news conference) can be after a signing.Logical formLearned from20 sentences. Documents may undergo a (signing ceremony).Logical formLearned from19 sentences. A (signing ceremony) can be for documents.Logical formLearned from19 sentences. Reporters can be after a (signing ceremony).Logical formLearned from19 sentences. A summer may undergo signings.Logical formLearned from19 sentences. Players may undergo signings.Logical formLearned from19 sentences. A register may undergo a signing.Logical formLearned from19 sentences.