(Pop stars) may plug tours.Logical formLearned from1 sentences. A person may plug in a refrigerator.Logical formLearned from1 sentences. Scientists may plug in data.Logical formLearned from1 sentences. Sunglasses may be pluged into (cell phones).Logical formLearned from1 sentences. A person may plug (account details).Logical formLearned from1 sentences. A person may plug into an engine.Logical formLearned from1 sentences. Others may be pluged into electrical outlets.Logical formLearned from1 sentences. A machine may be pluged into a (wall outlet).Logical formLearned from1 sentences. Visitors to a site may plug in an address.Logical formLearned from1 sentences. Individuals may be pluged into an organization.Logical formLearned from1 sentences. Persons may plug in questions.Logical formLearned from1 sentences. Volunteers may plug in (zip code).Logical formLearned from1 sentences. A cartridge may plug into a (computer printer).Logical formLearned from1 sentences. A jack can be for plugging in a telephone.Logical formLearned from1 sentences. A microchip may plug into a computer.Logical formLearned from1 sentences.