Contamination can be from a dirty bomb.Logical formLearned from4 sentences. Dirty bombs may spread radiation with conventional explosives.Logical formLearned from4 sentences. Worries can be about a possibility of dirty bombs.Logical formLearned from4 sentences. A mayor may know of dirty deeds.Logical formLearned from4 sentences. A lake can be with dirty water.Logical formLearned from4 sentences. Terrorists may cobble for a dirty bomb.Logical formLearned from4 sentences. Plans can be for dirty bombs.Logical formLearned from4 sentences. Books can be dirty.Logical formLearned from4 sentences. A person may hang_out a dirty laundry.Logical formLearned from4 sentences. Dirty bombs may rely on conventional explosives.Logical formLearned from4 sentences. Enemies can be during a dirty war.Logical formLearned from4 sentences. A (garbage truck) can be dirty.Logical formLearned from4 sentences. A stain can be dirty.Logical formLearned from4 sentences. An organization can be dirty.Logical formLearned from4 sentences. Chemicals may be knowned as a dirty dozen.Logical formLearned from4 sentences.