A canyon may be ringed by rugged mountains.Logical formLearned from7 sentences. A downtown may be ringed by (riot police).Logical formLearned from7 sentences. Numbers may ring unanswered.Logical formLearned from7 sentences. Troops may ring a mosque.Logical formLearned from7 sentences. Forecasts may ring true.Logical formLearned from7 sentences. An army may ring an (el-bared camp) with hundreds of soldiers.Logical formLearned from7 sentences. A camp may be ringed by hundreds of soldiers.Logical formLearned from7 sentences. Demonstrators may ring a building.Logical formLearned from7 sentences. Fireworks may ring in a new year.Logical formLearned from7 sentences. Denials may ring hollow.Logical formLearned from7 sentences. A call may ring unanswered.Logical formLearned from7 sentences. A guard may ring a world-city.Logical formLearned from7 sentences. A (convention center) may be ringed with concrete.Logical formLearned from7 sentences. Buddhist priests may ring (temple bells).Logical formLearned from7 sentences. Representative of uniformed services may ring an (opening bell).Logical formLearned from7 sentences.