Canals may ring a world-city.Logical formLearned from2 sentences. (Mine fields) may ring high ground.Logical formLearned from2 sentences. A courtyard may be ringed by classrooms.Logical formLearned from2 sentences. A (court building) may be ringed by (riot police).Logical formLearned from2 sentences. A turn of a century may ring an end of imperialism.Logical formLearned from2 sentences. A camp may be ringed by moats.Logical formLearned from2 sentences. A (metropolitan area) may ring a bay.Logical formLearned from2 sentences. A victory may ring hollow.Logical formLearned from2 sentences. (Alarm bells) may ring a fate of a plan.Logical formLearned from2 sentences. (Riot police) may ring a home.Logical formLearned from2 sentences. A (resort island) may be ringed by (coral reefs).Logical formLearned from2 sentences. Some policemen may be ringed.Logical formLearned from2 sentences. Bells may ring as thousands of pilgrims.Logical formLearned from2 sentences. Vehicles may be ringed.Logical formLearned from2 sentences. A woman may ring a (silver bell).Logical formLearned from2 sentences.