Divisions may ring a world-city.Logical formLearned from2 sentences. Defenders may ring a world-city.Logical formLearned from2 sentences. A compound may be ringed by trenches.Logical formLearned from2 sentences. A (missile testing base) may be ringed by (razor wire).Logical formLearned from2 sentences. Cries of grief may ring through a synagogue.Logical formLearned from2 sentences. Bells may ring in a world-city.Logical formLearned from2 sentences. A courtroom may ring with shouts of protest.Logical formLearned from2 sentences. (Telephone lines) may ring.Logical formLearned from2 sentences. Some (metal detectors) may ring a stadium.Logical formLearned from2 sentences. A (security wall) may be ringed.Logical formLearned from2 sentences. A (security wall) may ring a yard.Logical formLearned from2 sentences. Hundreds of class may be ringed.Logical formLearned from2 sentences. A fence may ring an installation.Logical formLearned from2 sentences. (Bush fires) may be ringed.Logical formLearned from2 sentences. An assailant may ring a doorbell.Logical formLearned from2 sentences.