Problems can be in the world.Logical formLearned from492 sentences. Problems may undergo an identification.Logical formLearned from491 sentences. Problems can be insurmountable.Logical formLearned from491 sentences. A person may solve a problem.Logical formLearned from489 sentences. A male may see a problem.Logical formLearned from483 sentences. Persons may address a problem.Logical formLearned from482 sentences. Problems may undergo an understanding.Logical formLearned from480 sentences. Problems can be conceptual.Logical formLearned from480 sentences. A person may have a problem.Logical formLearned from476 sentences. Problems may pertain-to society.Logical formLearned from476 sentences. Problems may pertain-to a world-city.Logical formLearned from475 sentences. Problems may pertain-to an industry.Logical formLearned from475 sentences. Problems may persist.Logical formLearned from472 sentences. A result can be constituted-of-or-filled-with problems.Logical formLearned from471 sentences. Problems may be reported.Logical formLearned from470 sentences.