A person may be sign_uped for a class.Logical formLearned from36 sentences. A person may sign_up for services.Logical formLearned from35 sentences. A female may be sign_uped.Logical formLearned from35 sentences. A male may sign_up for a program.Logical formLearned from35 sentences. A person may sign_up for a card.Logical formLearned from34 sentences. A person may sign_up at a site.Logical formLearned from34 sentences. A person may sign_up with a male.Logical formLearned from34 sentences. A person may be sign_uped for twitter.Logical formLearned from34 sentences. A person may sign_up for a (twitter account).Logical formLearned from34 sentences. A person may sign_up for a referral.Logical formLearned from34 sentences. A person may sign_up for an (email list).Logical formLearned from34 sentences. A husband may sign_up for a trip.Logical formLearned from34 sentences. A person may sign_up for a program.Logical formLearned from34 sentences. A person may sign_up for a list.Logical formLearned from33 sentences. A person may sign_up for a feed.Logical formLearned from33 sentences.