A ledge can be dirty.Logical formLearned from3 sentences. A genre can be dirty.Logical formLearned from3 sentences. (Cement buildings) can be dirty.Logical formLearned from3 sentences. An (energy future) can be dirty.Logical formLearned from3 sentences. A campaign of dirty tricks may skew a voting.Logical formLearned from3 sentences. (War slayings) can be dirty.Logical formLearned from3 sentences. A dirty laundry may be gone.Logical formLearned from3 sentences. A city can be dirty.Logical formLearned from3 sentences. A dirty war can be against a maoist insurgency.Logical formLearned from3 sentences. (State security forces) may wage a dirty war.Logical formLearned from3 sentences. A dirty work may pertain-to a dictatorship.Logical formLearned from3 sentences. A dirty war can be against a shining path.Logical formLearned from3 sentences. Dirty war can be against dissidents.Logical formLearned from3 sentences. A male may make a dirty joke.Logical formLearned from3 sentences. Gypsies can be dirty.Logical formLearned from3 sentences.