(Tent cities) can be dirty.Logical formLearned from2 sentences. Pathways can be dirty.Logical formLearned from2 sentences. Optics can be dirty.Logical formLearned from2 sentences. A (water resevoir) can be dirty.Logical formLearned from2 sentences. Dirty tricks can be commonplace.Logical formLearned from2 sentences. Ocrs can be dirty.Logical formLearned from2 sentences. A wife may do a dirty work.Logical formLearned from2 sentences. A waterfall can be dirty.Logical formLearned from2 sentences. A person may hear a dirty joke.Logical formLearned from2 sentences. A person may hear dirty jokes.Logical formLearned from2 sentences. Fixtures can be dirty.Logical formLearned from2 sentences. A mercy can be dirty.Logical formLearned from2 sentences. Dirty hands may cause diarrhea.Logical formLearned from2 sentences. A problem can be a dirty water.Logical formLearned from2 sentences. A (money problem) can be dirty.Logical formLearned from2 sentences.