A male may need a (knee operation).Logical formLearned from15 sentences. (Suicide operations) can be in a country.Logical formLearned from15 sentences. An operation can be hush-hush.Logical formLearned from15 sentences. A (heart bypass operation) may pertain-to a president.Logical formLearned from15 sentences. An operation can be in preparation.Logical formLearned from15 sentences. Operations can be in some provinces.Logical formLearned from15 sentences. Operations can be routine.Logical formLearned from15 sentences. A (rescue operation) can be risky.Logical formLearned from15 sentences. A (knee operation) can be serious.Logical formLearned from15 sentences. An operation may involve a country.Logical formLearned from15 sentences. A conglomerate may undergo operations.Logical formLearned from15 sentences. A project can be in operation.Logical formLearned from15 sentences. A (gas pipeline) may undergo an operation.Logical formLearned from14 sentences. An international monetary system may undergo an operation.Logical formLearned from14 sentences. Homes may undergo an operation.Logical formLearned from14 sentences.