Functions may operate on strings.Logical formLearned from6 sentences. A person may operate a mill.Logical formLearned from6 sentences. A cooperative may operate.Logical formLearned from6 sentences. A facility may operate at a (safety rate).Logical formLearned from6 sentences. Cranes may be operated.Logical formLearned from6 sentences. Employers may operate safety.Logical formLearned from6 sentences. An employee may operate a forklift.Logical formLearned from6 sentences. Some states may operate programs.Logical formLearned from6 sentences. Employers may operate safety.Logical formLearned from6 sentences. An advisory-committee may operate under some principles.Logical formLearned from6 sentences. (Death squads) may operate.Logical formLearned from6 sentences. Persons may operate in some (business segments).Logical formLearned from6 sentences. A market may operate on a basis.Logical formLearned from6 sentences. A program may operate in an environment.Logical formLearned from6 sentences. An engine may operate in mode.Logical formLearned from6 sentences.