A problem can be in a US-city.Logical formLearned from332 sentences. Problems can be in the economy.Logical formLearned from331 sentences. A problem can be in a continent.Logical formLearned from330 sentences. Problems may pertain-to the past.Logical formLearned from329 sentences. A problem can be for persons.Logical formLearned from329 sentences. A problem may pertain-to a nation.Logical formLearned from329 sentences. Problems can be with a male.Logical formLearned from327 sentences. Problems may lie.Logical formLearned from327 sentences. A problem can be on hands.Logical formLearned from327 sentences. A problem can be in a US-city.Logical formLearned from325 sentences. Persons may see problems.Logical formLearned from325 sentences. (Health problems) can be related.Logical formLearned from325 sentences. Problems may sleep.Logical formLearned from325 sentences. Problems can be diplomatic.Logical formLearned from324 sentences. Problems can be with a country.Logical formLearned from323 sentences.