A country may sign_up to a single currency.Logical formLearned from5 sentences. Delegations may sign_up in a match.Logical formLearned from4 sentences. Some students may be sign_uped for a class.Logical formLearned from4 sentences. Recruiters may sign_up a male.Logical formLearned from4 sentences. A friend may sign_up a male.Logical formLearned from4 sentences. A male may sign_up to race.Logical formLearned from4 sentences. A male may sign_up as a volunteer.Logical formLearned from4 sentences. A person may sign_up for courses.Logical formLearned from4 sentences. A person may sign_up for an audition.Logical formLearned from4 sentences. Students may sign_up for direct deposit.Logical formLearned from4 sentences. Conditions can be for sign_upping to a treaty.Logical formLearned from4 sentences. A male may sign_up for a service.Logical formLearned from4 sentences. A team may sign_up for a (time slot).Logical formLearned from4 sentences. Persons may sign_up authors.Logical formLearned from4 sentences. A person may sign_up for a (premium service).Logical formLearned from4 sentences.