A person may sign_up for email.Logical formLearned from21 sentences. A male may sign_up for a class.Logical formLearned from21 sentences. A male may sign_up with a military-or-other-action-organization.Logical formLearned from20 sentences. A person may sign_up for school.Logical formLearned from20 sentences. A person may sign_up to some sites.Logical formLearned from20 sentences. Persons may sign_up for pages.Logical formLearned from20 sentences. A female may sign_up for a class.Logical formLearned from20 sentences. A person may sign_up a semester.Logical formLearned from20 sentences. A person may sign_up persons.Logical formLearned from20 sentences. Parents may sign_up a person.Logical formLearned from20 sentences. A person may sign_up with a person.Logical formLearned from20 sentences. A person may sign_up for a country.Logical formLearned from20 sentences. A deadline can be for sign_upping.Logical formLearned from20 sentences. A male may sign_up for classes.Logical formLearned from20 sentences. Persons may sign_up for a program.Logical formLearned from19 sentences.