A country may sign_up to a single currency.Logical formLearned from5 sentences. Nations may sign_up for a war.Logical formLearned from5 sentences. (Eligibility restrictions) may be aimed at sign_upping working families.Logical formLearned from5 sentences. Dozens may sign_up on a spot.Logical formLearned from5 sentences. Thousands of (oil militants) may sign_up to a (government amnesty program).Logical formLearned from5 sentences. A male may sign_up with a club.Logical formLearned from5 sentences. Men may sign_up for an army.Logical formLearned from5 sentences. Arms may sign_up to multilateral agreements.Logical formLearned from5 sentences. Factions may sign_up to a truce.Logical formLearned from5 sentences. Persons may sign_up to a (processing center).Logical formLearned from5 sentences. A country may sign_up to a constitution.Logical formLearned from5 sentences. A female may sign_up to a vision of a state.Logical formLearned from5 sentences. A country may sign_up to an (output squeeze).Logical formLearned from5 sentences. A country may sign_up to an euro.Logical formLearned from5 sentences. A male may sign_up to a deal.Logical formLearned from5 sentences.