A (police officer) may be killed in a line of duty.Logical formLearned from53 sentences. Plants may be killed.Logical formLearned from53 sentences. A man may kill a woman.Logical formLearned from53 sentences. (Anthrax mailings) may kill some persons.Logical formLearned from53 sentences. Other persons may be killed.Logical formLearned from53 sentences. A plane may kill some persons.Logical formLearned from53 sentences. Attacks may kill.Logical formLearned from53 sentences. A man may kill a girlfriend.Logical formLearned from53 sentences. A blast may kill a male.Logical formLearned from53 sentences. A sinking may kill some sailors.Logical formLearned from53 sentences. A crash may kill a (fighter pilot).Logical formLearned from53 sentences. A (suicide attack) may kill some civilians.Logical formLearned from53 sentences. Some asian tsunami may kill some persons.Logical formLearned from53 sentences. An explosion may kill a boy.Logical formLearned from53 sentences. Some soldiers may be killed by fire.Logical formLearned from53 sentences.