(Criminal gangs) may pertain-to a world-city.Logical formLearned from7 sentences. Gangs may blow_up pipelines.Logical formLearned from7 sentences. Home can be to some (gang members).Logical formLearned from7 sentences. Concern can be about gangs.Logical formLearned from7 sentences. (Ring leaders) may pertain-to a gang.Logical formLearned from7 sentences. A gang may rob.Logical formLearned from7 sentences. A gang may be shooted.Logical formLearned from7 sentences. Gangs may be armed with sticks.Logical formLearned from7 sentences. (Gang violence) can be a concern.Logical formLearned from7 sentences. Some gangs can be in a US-city.Logical formLearned from7 sentences. Gangs may kidnap foreigners.Logical formLearned from7 sentences. Some men may be accused in a (gang rape).Logical formLearned from7 sentences. A 17-year-old may witness a (gang murder).Logical formLearned from7 sentences. A gang may walk.Logical formLearned from7 sentences. (Drug gangs) may control favelas.Logical formLearned from7 sentences.