Refineries may operate.Logical formLearned from80 sentences. A person may operate types of businesses.Logical formLearned from80 sentences. Equipment may operate.Logical formLearned from79 sentences. Machines may operate.Logical formLearned from79 sentences. Persons may operate on an assumption.Logical formLearned from79 sentences. Processes may operate.Logical formLearned from78 sentences. A company may operate in some (business segments).Logical formLearned from78 sentences. A federal government may operate.Logical formLearned from78 sentences. A project may operate.Logical formLearned from77 sentences. A person may operate by appointment.Logical formLearned from77 sentences. A plant may operate at capacity.Logical formLearned from77 sentences. Processes may operate.Logical formLearned from76 sentences. Soldiers may operate.Logical formLearned from76 sentences. Enterprises may operate.Logical formLearned from76 sentences. Markets may operate.Logical formLearned from75 sentences.