Some (plane crash) may kill some persons.Logical formLearned from40 sentences. Some passengers may be killed from an impact.Logical formLearned from40 sentences. A male may kill an engine.Logical formLearned from40 sentences. A (jet crash) may kill some persons.Logical formLearned from40 sentences. A crash may kill a pilot.Logical formLearned from40 sentences. Earthquake may kill some persons.Logical formLearned from40 sentences. Some persons may be killed in an (air disaster).Logical formLearned from40 sentences. An anthrax may kill some persons.Logical formLearned from40 sentences. Some persons may be killed in crashes.Logical formLearned from40 sentences. A soldier may be killed in combat.Logical formLearned from40 sentences. Persons may be killed in a conflict.Logical formLearned from40 sentences. Men may kill themselves.Logical formLearned from40 sentences. A male may kill civilians.Logical formLearned from40 sentences. A male may be killed in a bombing.Logical formLearned from40 sentences. Some (anthrax mailings) may kill some persons.Logical formLearned from40 sentences.