Some fans may be operated by a system.Logical formLearned from6 sentences. A (jet plane) may be operated by a government-agency.Logical formLearned from6 sentences. A program may operate in a us-state.Logical formLearned from6 sentences. Companies may operate services.Logical formLearned from6 sentences. A company may operate variety of businesses.Logical formLearned from6 sentences. (Militia members) may operate as gangs.Logical formLearned from6 sentences. Tribes may operate.Logical formLearned from6 sentences. Biases may operate.Logical formLearned from6 sentences. Subsidiaries may operate (mountain resort properties).Logical formLearned from6 sentences. Persons may operate in a us-state.Logical formLearned from6 sentences. Trains may operate on a (holiday schedule).Logical formLearned from6 sentences. (Cell phones) may operate.Logical formLearned from6 sentences. Ecological wisdom may operate with an understanding.Logical formLearned from6 sentences. An (ignition key) may operate some locks.Logical formLearned from6 sentences. A top may be operated.Logical formLearned from6 sentences.