A (rescue operation) can be difficult.Logical formLearned from36 sentences. Some soldiers may be wounded in an operation.Logical formLearned from36 sentences. A section of some km may begin operation.Logical formLearned from36 sentences. Some enterprises can be in operation.Logical formLearned from36 sentences. Operations can be for a military-or-other-action-organization.Logical formLearned from36 sentences. Operations may be defined.Logical formLearned from36 sentences. A committee may undergo operations.Logical formLearned from36 sentences. Operations may undergo an establishment.Logical formLearned from36 sentences. Routes may undergo an operation.Logical formLearned from36 sentences. Stations may undergo operations.Logical formLearned from36 sentences. Operations can be at sea.Logical formLearned from36 sentences. An airport can be in operation.Logical formLearned from36 sentences. A railroad may cease operations.Logical formLearned from36 sentences. A base can be for military operations.Logical formLearned from36 sentences. Operations can be in some countries.Logical formLearned from36 sentences.