(Distance learning courses) may undergo a development.Logical formLearned from11 sentences. Distances can be longer.Logical formLearned from11 sentences. Others may keep a distance.Logical formLearned from11 sentences. Distances can be to cities.Logical formLearned from11 sentences. A distance can be from persons.Logical formLearned from11 sentences. A distance may be specified.Logical formLearned from11 sentences. Distance may be defined.Logical formLearned from11 sentences. A distance may pertain-to a scientist.Logical formLearned from11 sentences. Distances can be perceived.Logical formLearned from11 sentences. A distance can be between words.Logical formLearned from11 sentences. A distance can be accredited.Logical formLearned from11 sentences. A male may make a distance.Logical formLearned from11 sentences. A series can be constituted-of-or-filled-with distances.Logical formLearned from11 sentences. A coast may undergo a distance.Logical formLearned from11 sentences. An extremity may pertain-to a distance.Logical formLearned from11 sentences.