Responses can be to problems.Logical formLearned from216 sentences. Problems can be recurrent.Logical formLearned from215 sentences. A problem may be fixed.Logical formLearned from215 sentences. A problem can be in a continent.Logical formLearned from215 sentences. Problems may end.Logical formLearned from215 sentences. Problems can be in an area.Logical formLearned from214 sentences. A part may pertain-to problems.Logical formLearned from213 sentences. Some problem may arise.Logical formLearned from213 sentences. A problem may be found.Logical formLearned from213 sentences. A problem can be with a fact.Logical formLearned from213 sentences. Problems may run.Logical formLearned from213 sentences. A person may explain a problem.Logical formLearned from213 sentences. Problems may happen.Logical formLearned from213 sentences. (Drilling won) may solve a problem.Logical formLearned from212 sentences. (Air quality problems) can be indoor.Logical formLearned from212 sentences.