Units can be busy.Logical formLearned from5 sentences. Troops may be kept busy.Logical formLearned from5 sentences. Searches can be busy.Logical formLearned from5 sentences. Physicians can be busy.Logical formLearned from5 sentences. A call can be busy.Logical formLearned from5 sentences. Boats can be busy.Logical formLearned from5 sentences. A coach can be busy.Logical formLearned from5 sentences. A state-department can be busy.Logical formLearned from5 sentences. Seaports can be busy.Logical formLearned from5 sentences. Elected officials can be busy.Logical formLearned from5 sentences. A volume can be busy.Logical formLearned from5 sentences. A (file server) can be busy.Logical formLearned from5 sentences. Nightspots can be busy.Logical formLearned from5 sentences. Communities can be busy.Logical formLearned from5 sentences. A gentleman can be busy.Logical formLearned from5 sentences.