A (land boundary treaty) may undergo a signing.Logical formLearned from5 sentences. A (dollar contract) may undergo a signing.Logical formLearned from5 sentences. An (air service agreement) may undergo a signing.Logical formLearned from5 sentences. A (signing ceremony) can be for a project.Logical formLearned from5 sentences. A permit may undergo a signing.Logical formLearned from5 sentences. A (border trade agreement) may undergo a signing.Logical formLearned from5 sentences. A basic treaty may undergo a signing.Logical formLearned from5 sentences. A signing of an agreement may show that something-is-the-case.Logical formLearned from5 sentences. A signing may pertain-to a side.Logical formLearned from5 sentences. A (cease fire) may undergo a signing.Logical formLearned from5 sentences. A signing can be with a club.Logical formLearned from5 sentences. A male may become a signing of a season.Logical formLearned from5 sentences. Note may undergo signings.Logical formLearned from5 sentences. A signing can be controversial.Logical formLearned from5 sentences. A signing can be announced.Logical formLearned from5 sentences.