A country may conduct a military operation.Logical formLearned from18 sentences. Arrests can be an operation.Logical formLearned from18 sentences. Operation may work.Logical formLearned from18 sentences. Periods can be constituted-of-or-filled-with operations.Logical formLearned from18 sentences. A difference can be in operation.Logical formLearned from18 sentences. Persons may commence operations.Logical formLearned from18 sentences. Operations can be graphic.Logical formLearned from18 sentences. Persons may conduct an operation.Logical formLearned from18 sentences. Subtraction may undergo an operation.Logical formLearned from18 sentences. Operations can be sold.Logical formLearned from18 sentences. Doubts can be about an operation.Logical formLearned from18 sentences. Operations can be popular.Logical formLearned from18 sentences. Operations may pertain-to a chain.Logical formLearned from18 sentences. An operation can be on soil.Logical formLearned from18 sentences. A failure may pertain-to an operation.Logical formLearned from18 sentences.