Relations can be busy.Logical formLearned from6 sentences. (Clearing heaps) can be busy.Logical formLearned from6 sentences. (Shopping streets) can be busy.Logical formLearned from6 sentences. (Road crews) can be busy.Logical formLearned from6 sentences. Police can be busy with a meeting.Logical formLearned from6 sentences. An estuary can be busy.Logical formLearned from6 sentences. Skies can be busy.Logical formLearned from6 sentences. American soldiers can be busy.Logical formLearned from6 sentences. A (weekend internet banking) can be busy.Logical formLearned from6 sentences. Scores of workers can be busy.Logical formLearned from6 sentences. (Doping laboratories) can be busy.Logical formLearned from6 sentences. (Fielding calls) can be busy.Logical formLearned from6 sentences. Armed forces may get busy.Logical formLearned from6 sentences. A secretary of state can be busy.Logical formLearned from6 sentences. A (hotel lobby) can be busy.Logical formLearned from6 sentences.