Problems may occur.Logical formLearned from2 335 sentences. A person may have some problems.Logical formLearned from2 333 sentences. Problems may pertain-to a nation.Logical formLearned from2 267 sentences. Problems can be in a country.Logical formLearned from2 261 sentences. Problems can be enough.Logical formLearned from2 214 sentences. Problems may be solved.Logical formLearned from2 210 sentences. Problems can be marital.Logical formLearned from2 208 sentences. A problem may happen.Logical formLearned from2 195 sentences. Problems can be basic.Logical formLearned from2 167 sentences. A problem can be environmental.Logical formLearned from2 114 sentences. Problems can be in a country.Logical formLearned from2 071 sentences. Problems can be systemic.Logical formLearned from2 051 sentences. Problems can be chronic.Logical formLearned from2 046 sentences. A problem can be in a country.Logical formLearned from2 036 sentences. Problems can be psychiatric.Logical formLearned from2 023 sentences.