A slacker may sign_up for reserve.Logical formLearned from10 sentences. A male may sign_up with a male.Logical formLearned from10 sentences. A person may sign_up for an interview.Logical formLearned from10 sentences. A person may sign_up for accounts.Logical formLearned from10 sentences. A person may sign_up for a slot.Logical formLearned from10 sentences. A person may sign_up for (e-mail alerts).Logical formLearned from10 sentences. A male may sign_up for a year.Logical formLearned from9 sentences. A person may sign_up for (e-mail notification).Logical formLearned from9 sentences. A male may sign_up for training.Logical formLearned from9 sentences. Someone may be sign_uped.Logical formLearned from9 sentences. A person may sign_up at a time.Logical formLearned from9 sentences. A person may sign_up for some course.Logical formLearned from9 sentences. A person may sign_up for a tournament.Logical formLearned from9 sentences. A person may sign_up on a (mailing list).Logical formLearned from9 sentences. Students may sign_up for a course.Logical formLearned from9 sentences.