A person may sign_up for a next one.Logical formLearned from8 sentences. Persons may sign_up for prompts.Logical formLearned from8 sentences. (Membership picttures) may sign_up someone.Logical formLearned from8 sentences. A person may sign_up for a chance.Logical formLearned from8 sentences. A person may be sign_uped for a challenge.Logical formLearned from8 sentences. A person may be sign_uped for some credits.Logical formLearned from8 sentences. A person may sign_up for myspace.Logical formLearned from8 sentences. A person may sign_up in a website.Logical formLearned from8 sentences. Persons may sign_up some persons.Logical formLearned from8 sentences. A person may be sign_uped to a (mailing list).Logical formLearned from8 sentences. A broker may sign_up a borrower.Logical formLearned from8 sentences. A consumer may be sign_uped.Logical formLearned from8 sentences. A male may sign_up a female.Logical formLearned from8 sentences. A person may sign_up for cable.Logical formLearned from8 sentences. A person may sign_up over a phone.Logical formLearned from8 sentences.