A protocol may undergo an expansion.Logical formLearned from10 sentences. A light-rail system may undergo an expansion.Logical formLearned from10 sentences. Pi may undergo an expansion.Logical formLearned from10 sentences. Benefits may undergo an expansion.Logical formLearned from10 sentences. (Library services) may undergo an expansion.Logical formLearned from10 sentences. An (expansion debate) may pertain-to an international-political-entity.Logical formLearned from10 sentences. A position can be on expansion.Logical formLearned from10 sentences. An expansion can be step-by-step.Logical formLearned from10 sentences. Rounds can be constituted-of-or-filled-with expansion.Logical formLearned from10 sentences. Structures may undergo an expansion.Logical formLearned from10 sentences. A world may undergo an expansion.Logical formLearned from10 sentences. An expansion can be agrarian.Logical formLearned from10 sentences. (Mortgage lending) may undergo an expansion.Logical formLearned from10 sentences. Free-trade agreements may undergo an expansion.Logical formLearned from10 sentences. Criteria may undergo an expansion.Logical formLearned from10 sentences.