A company may operate a mine.Logical formLearned from40 sentences. The medias may operate.Logical formLearned from40 sentences. Science may operate.Logical formLearned from40 sentences. A company may be operated.Logical formLearned from40 sentences. Flights may be operated without (air-traffic control).Logical formLearned from40 sentences. Militants may operate in areas.Logical formLearned from40 sentences. A road may operate.Logical formLearned from40 sentences. A plant may be operated.Logical formLearned from40 sentences. A male may operate a farm.Logical formLearned from40 sentences. A surgeon may operate on a male.Logical formLearned from40 sentences. A knee may be operated.Logical formLearned from40 sentences. Flights may be operated by airlines.Logical formLearned from40 sentences. Gangs may operate.Logical formLearned from40 sentences. Some groups may operate in a country.Logical formLearned from40 sentences. Some banks may operate in a country.Logical formLearned from40 sentences.