A person may operate a crane.Logical formLearned from7 sentences. (Syndication sales) may operate a news-service.Logical formLearned from7 sentences. A mouse may operate.Logical formLearned from7 sentences. A male may operate throttles.Logical formLearned from7 sentences. Vocal cords may operate.Logical formLearned from7 sentences. A computer may operate as a firewall.Logical formLearned from7 sentences. A (service provider) may operate banks of modems.Logical formLearned from7 sentences. An administration may operate on an assumption.Logical formLearned from7 sentences. Oil may operate in a country.Logical formLearned from7 sentences. Persons may operate under assumptions.Logical formLearned from7 sentences. Officials may operate.Logical formLearned from7 sentences. A male may operate a clinic.Logical formLearned from7 sentences. A shoulder may be operated.Logical formLearned from7 sentences. A person may operate a home.Logical formLearned from7 sentences. A (life support system) may operate on a (space station).Logical formLearned from7 sentences.