Killings can be controversial.Logical formLearned from65 sentences. A (station chief) may undergo a killing.Logical formLearned from65 sentences. An (opposition journalist) may undergo a killing.Logical formLearned from65 sentences. A president may condemn a killing.Logical formLearned from65 sentences. A killing may undergo a condemnation.Logical formLearned from65 sentences. Protesters may undergo a killing.Logical formLearned from64 sentences. Life may undergo a killing.Logical formLearned from64 sentences. An animal may undergo a killing.Logical formLearned from64 sentences. (Mass killings) can be alleged.Logical formLearned from64 sentences. Some killings may go unreported.Logical formLearned from64 sentences. A killing can be mistaken.Logical formLearned from64 sentences. Killings may be carry_outed.Logical formLearned from64 sentences. A killing may pertain-to an army.Logical formLearned from63 sentences. A killing may take place.Logical formLearned from63 sentences. An (intelligence agent) may undergo a killing.Logical formLearned from63 sentences.