A problem can be that something-is-the-case.Logical formLearned from135 849 sentences. A problem may pertain-to a person.Logical formLearned from50 796 sentences. A person may have a problem.Logical formLearned from39 522 sentences. Problems can be serious.Logical formLearned from29 684 sentences. A problem can be serious.Logical formLearned from28 457 sentences. Problems may pertain-to a person.Logical formLearned from26 667 sentences. Part may pertain-to a problem.Logical formLearned from21 823 sentences. Problems may pertain-to persons.Logical formLearned from20 101 sentences. Problems may pertain-to a male.Logical formLearned from17 042 sentences. A person may have problems.Logical formLearned from13 975 sentences. A person may have problems.Logical formLearned from12 922 sentences. A problem may pertain-to a male.Logical formLearned from12 364 sentences. A solution can be to a problem.Logical formLearned from12 349 sentences. A problem may pertain-to a country.Logical formLearned from11 889 sentences. Persons may have a problem.Logical formLearned from11 481 sentences.