Persons may keep on plugging.Logical formLearned from7 sentences. A lot of persons may plug words.Logical formLearned from7 sentences. (Staff astronomers) may plug fiber-optic cables.Logical formLearned from7 sentences. A company may plug resources.Logical formLearned from7 sentences. A device may plug into an outlet.Logical formLearned from7 sentences. A person may plug into a personal computer.Logical formLearned from7 sentences. A person may plug a gap.Logical formLearned from7 sentences. A (premium cigar) may be pluged into a mouth.Logical formLearned from7 sentences. A person may plug a (power supply).Logical formLearned from7 sentences. Hole may plug an end of a hose.Logical formLearned from7 sentences. A male may plug data.Logical formLearned from7 sentences. Researcher may plug observations.Logical formLearned from7 sentences. Appliances may be pluged into a circuit.Logical formLearned from7 sentences. Glossy brochures may plug (skiing vacations).Logical formLearned from7 sentences. Persons may plug a male.Logical formLearned from7 sentences.