A world-city may have a history of violence.Logical formLearned from49 sentences. Violence can be pervasive.Logical formLearned from48 sentences. Concerns can be about violence.Logical formLearned from48 sentences. Violence may pertain-to a wind.Logical formLearned from48 sentences. Violence can be a threat.Logical formLearned from48 sentences. Violence may undergo a justification.Logical formLearned from48 sentences. Violence can be real.Logical formLearned from48 sentences. An (election violence) may pertain-to a country.Logical formLearned from48 sentences. Violence can be planned.Logical formLearned from48 sentences. Violence can be a factor.Logical formLearned from48 sentences. A return can be constituted-of-or-filled-with violence.Logical formLearned from48 sentences. A catalyst can be for violence.Logical formLearned from48 sentences. Violence may engulf a country.Logical formLearned from48 sentences. Increases can be in violence.Logical formLearned from48 sentences. R can be for (horror violence).Logical formLearned from48 sentences.