A person may sign_up for benefits.Logical formLearned from22 sentences. A person may sign_up for a trip.Logical formLearned from22 sentences. A person may sign_up for a package.Logical formLearned from22 sentences. (Bird cannots) may sign_up for benefits.Logical formLearned from22 sentences. A person may sign_up for a (rss feed).Logical formLearned from22 sentences. A person may sign_up for a trial.Logical formLearned from22 sentences. A person may sign_up for a language.Logical formLearned from22 sentences. A male may sign_up for a military-or-other-action-organization.Logical formLearned from21 sentences. Someone may sign_up for an account.Logical formLearned from21 sentences. A person may sign_up for a gym.Logical formLearned from21 sentences. Users may sign_up for a service.Logical formLearned from21 sentences. (Diet pills) may sign_up for an (email list).Logical formLearned from21 sentences. A person may sign_up for a blog.Logical formLearned from21 sentences. Persons may sign_up for a newsletter.Logical formLearned from21 sentences. Persons may sign_up for a service.Logical formLearned from21 sentences.