A female may sign_up at a college.Logical formLearned from4 sentences. A person may sign_up for swift boats.Logical formLearned from4 sentences. A male may sign_up for some courses.Logical formLearned from4 sentences. Persons may sign_up someone.Logical formLearned from4 sentences. Some persons may sign_up for a plan.Logical formLearned from4 sentences. A person may sign_up for housing.Logical formLearned from4 sentences. Students may sign_up for programs.Logical formLearned from4 sentences. A female may sign_up with a program.Logical formLearned from4 sentences. A country may sign_up to (emission limits).Logical formLearned from4 sentences. A person may sign_up with an organization.Logical formLearned from4 sentences. Students may sign_up for a room.Logical formLearned from4 sentences. A person may sign_up for a class.Logical formLearned from4 sentences. A person may sign_up for electronic newsletter.Logical formLearned from4 sentences. A person may sign_up for an (internet service).Logical formLearned from4 sentences. Volunteers may be sign_uped.Logical formLearned from4 sentences.