Tracts may undergo a selection.Logical formLearned from4 sentences. A person may have tracts.Logical formLearned from4 sentences. An urinary tract may undergo a reinfection.Logical formLearned from4 sentences. An acidity of a digestive tract can be an environment.Logical formLearned from4 sentences. Loggings may be phase_outed in tracts of forests.Logical formLearned from4 sentences. An area may pertain-to tracts.Logical formLearned from4 sentences. A world-city may fight over tract of land.Logical formLearned from4 sentences. A tract can be burned.Logical formLearned from4 sentences. A digestive tract may undergo an environment.Logical formLearned from4 sentences. (Sound waves) may create images of a digestive tract.Logical formLearned from4 sentences. (Health issues) may involve a (gastrointestinal tract).Logical formLearned from4 sentences. A (desert tract) may be overseened by a park-service.Logical formLearned from4 sentences. Functions may pertain-to a digestive tract.Logical formLearned from4 sentences. An urinary tract may be endocarped within a lifetime.Logical formLearned from4 sentences. A (witness tract) may pertain-to a deity.Logical formLearned from4 sentences.