Green onions may be contaminated with o157s.Logical formLearned from1 sentences. Colis can be an o157.Logical formLearned from1 sentences. An o157 can be virulent.Logical formLearned from1 sentences. Reports can be constituted-of-or-filled-with o157.Logical formLearned from1 sentences. An o157 may be blamed in an outbreak.Logical formLearned from1 sentences. An o157 may release (shiga toxin).Logical formLearned from1 sentences. An outbreak may be blamed on an o157.Logical formLearned from1 sentences. An o157 may be recognised as a cause of illness.Logical formLearned from1 sentences. An o may witness a beating.Logical formLearned from1 sentences. A (strain o157) may kill a person.Logical formLearned from1 sentences. A (strain o157) can be virulent.Logical formLearned from1 sentences. An o157 may be passed to humans.Logical formLearned from1 sentences. An o can be quiet.Logical formLearned from1 sentences. A love may pertain-to a (hunk o).Logical formLearned from1 sentences. A green may pertain-to a (touch o).Logical formLearned from1 sentences.