Indoor (air pollution) may have some sources.Logical formLearned from9 sentences. A (health club) may have an indoor pool.Logical formLearned from9 sentences. Houses may have indoor plumbing.Logical formLearned from9 sentences. Kennels can be indoor.Logical formLearned from9 sentences. A sandbox can be indoor.Logical formLearned from9 sentences. Museums can be indoor.Logical formLearned from9 sentences. Facilities may include an indoor pool.Logical formLearned from9 sentences. An (air quality testing) can be indoor.Logical formLearned from9 sentences. Pots can be indoor.Logical formLearned from9 sentences. Experiments can be indoor.Logical formLearned from9 sentences. Companions can be indoor.Logical formLearned from9 sentences. Studios can be indoor.Logical formLearned from9 sentences. Scenarios can be indoor.Logical formLearned from9 sentences. A (recreation space) can be indoor.Logical formLearned from9 sentences. A (training session) can be indoor.Logical formLearned from9 sentences.