A person may be sign_uped for a course.Logical formLearned from14 sentences. Some persons may sign_up for a (campaign service).Logical formLearned from14 sentences. A person may sign_up for a seminar.Logical formLearned from14 sentences. A person may sign_up for a group.Logical formLearned from14 sentences. A person may sign_up as a volunteer.Logical formLearned from14 sentences. A female may sign_up as democrats-one of thousands of volunteers.Logical formLearned from14 sentences. A person may sign_up through a link.Logical formLearned from14 sentences. A drive may sign_up thousands of students.Logical formLearned from14 sentences. A person may sign_up in a place.Logical formLearned from14 sentences. Investors may sign_up for shares.Logical formLearned from14 sentences. A person may sign_up with a service.Logical formLearned from14 sentences. A male may sign_up for a class.Logical formLearned from14 sentences. A person may be sign_uped for a service.Logical formLearned from14 sentences. Hundreds of policemen may sign_up for jobs.Logical formLearned from14 sentences. Persons may sign_up for an account.Logical formLearned from13 sentences.