A book can be busy.Logical formLearned from29 sentences. A beach can be busy.Logical formLearned from29 sentences. A port can be busy.Logical formLearned from29 sentences. Networks can be busy.Logical formLearned from29 sentences. (Phone lines) can be busy.Logical formLearned from29 sentences. A booth can be busy.Logical formLearned from29 sentences. A while can be busy.Logical formLearned from29 sentences. A rest of a week can be busy.Logical formLearned from29 sentences. Persons can be busy with school.Logical formLearned from29 sentences. A physician can be busy.Logical formLearned from29 sentences. Work can be busy.Logical formLearned from29 sentences. A person may remain busy.Logical formLearned from29 sentences. An ophthalmology can be busy.Logical formLearned from29 sentences. Cafés can be busy.Logical formLearned from29 sentences. An entrepreneur can be busy.Logical formLearned from29 sentences.