Operation may assist.Logical formLearned from17 sentences. Operations may pertain-to a league.Logical formLearned from17 sentences. Operations can be necessary.Logical formLearned from17 sentences. A (post office) can be in operation.Logical formLearned from17 sentences. A main base can be for operations.Logical formLearned from17 sentences. A railroad may undergo operations.Logical formLearned from17 sentences. Some soldiers may be killed during an operation.Logical formLearned from17 sentences. An operation can be exemplary.Logical formLearned from17 sentences. A line may start operation.Logical formLearned from17 sentences. A story may pertain-to an operation.Logical formLearned from17 sentences. Departments may undergo an operation.Logical formLearned from17 sentences. A participant can be in operation.Logical formLearned from17 sentences. An operation may be killed.Logical formLearned from17 sentences. A company may take_over operations.Logical formLearned from17 sentences. Cars may undergo an operation.Logical formLearned from17 sentences.