A lab can be busy.Logical formLearned from15 sentences. Experts can be busy.Logical formLearned from15 sentences. A secretary can be busy.Logical formLearned from15 sentences. A schedule can be busy that something-is-the-case.Logical formLearned from15 sentences. An (emergency room) can be busy.Logical formLearned from15 sentences. A goalkeeper can be busy.Logical formLearned from15 sentences. A (highway intersection) can be busy.Logical formLearned from15 sentences. A (ring road) can be busy.Logical formLearned from15 sentences. A political life can be busy.Logical formLearned from15 sentences. A defense can be busy.Logical formLearned from15 sentences. Persons may stay busy.Logical formLearned from15 sentences. A side can be busy.Logical formLearned from15 sentences. A financial district can be busy.Logical formLearned from15 sentences. A (morning rush hour) can be busy.Logical formLearned from15 sentences. A number of persons can be busy.Logical formLearned from14 sentences.