A person may sign_up for (email alerts).Logical formLearned from19 sentences. A person may sign_up for a male.Logical formLearned from19 sentences. Abuse may sign_up bonuses.Logical formLearned from19 sentences. A person may sign_up for classes.Logical formLearned from19 sentences. A person may sign_up for a female.Logical formLearned from19 sentences. A person may sign_up online.Logical formLearned from19 sentences. A person may sign_up for courses.Logical formLearned from19 sentences. A player may sign_up for a program.Logical formLearned from19 sentences. A male may sign_up persons.Logical formLearned from19 sentences. Students may be sign_uped.Logical formLearned from19 sentences. Customers may sign_up for service.Logical formLearned from18 sentences. A person may sign_up for a session.Logical formLearned from18 sentences. A person may sign_up for class.Logical formLearned from18 sentences. A person may sign_up for a show.Logical formLearned from18 sentences. A person may sign_up at a post.Logical formLearned from18 sentences.