Persons may have problem.Logical formLearned from128 sentences. Problems may develop.Logical formLearned from128 sentences. Problems can be dramatic.Logical formLearned from128 sentences. Countries may face problems.Logical formLearned from127 sentences. A crux of a problem can be that something-is-the-case.Logical formLearned from127 sentences. Problems may be presented.Logical formLearned from127 sentences. Problems can be economical.Logical formLearned from127 sentences. A problem can be large.Logical formLearned from127 sentences. Problems can be complicated.Logical formLearned from127 sentences. Problems may undergo an indication.Logical formLearned from127 sentences. A problem may pertain-to a city.Logical formLearned from127 sentences. Problems may pertain-to a poor.Logical formLearned from127 sentences. A country may have a problem.Logical formLearned from127 sentences. Problems can be in a (housing market).Logical formLearned from127 sentences. A problem can be illegal.Logical formLearned from127 sentences.