Investigations can be into killings.Logical formLearned from63 sentences. Shiites may undergo a killing.Logical formLearned from63 sentences. An (opposition leader) may undergo a killing.Logical formLearned from63 sentences. A country can be behind a killing.Logical formLearned from63 sentences. Infants may undergo a killing.Logical formLearned from62 sentences. A killing may pertain-to a world-city.Logical formLearned from62 sentences. Killings can be cold-blooded.Logical formLearned from62 sentences. A general may undergo a killing.Logical formLearned from61 sentences. A killing may remain unsolved.Logical formLearned from61 sentences. Killings may pertain-to a week.Logical formLearned from61 sentences. Officers may undergo a killing.Logical formLearned from61 sentences. Girls may undergo a killing.Logical formLearned from61 sentences. A total can be constituted-of-or-filled-with some killings.Logical formLearned from61 sentences. Killings may cause dozens of casualties.Logical formLearned from60 sentences. A woman may undergo killings.Logical formLearned from60 sentences.