(Government officials) can be unnamed.Logical formLearned from354 sentences. A city can be unnamed.Logical formLearned from353 sentences. An officer can be unnamed.Logical formLearned from302 sentences. A friend can be unnamed.Logical formLearned from279 sentences. A member can be unnamed.Logical formLearned from271 sentences. A tributary can be unnamed.Logical formLearned from269 sentences. Countries can be unnamed.Logical formLearned from250 sentences. An executive can be unnamed.Logical formLearned from247 sentences. (Police sources) can be unnamed.Logical formLearned from245 sentences. A (government source) can be unnamed.Logical formLearned from244 sentences. A group can be unnamed.Logical formLearned from211 sentences. Individuals can be unnamed.Logical formLearned from202 sentences. A (ministry official) can be unnamed.Logical formLearned from192 sentences. A road can be unnamed.Logical formLearned from188 sentences. (Administration officials) can be unnamed.Logical formLearned from184 sentences.