Polar bears may survive (warming periods).Logical formLearned from13 sentences. A (care bear) may pertain-to a person.Logical formLearned from13 sentences. A (bear face) may pertain-to a male.Logical formLearned from13 sentences. Persons can be in a secular (bear market).Logical formLearned from13 sentences. Polar bears may be found.Logical formLearned from13 sentences. A person may get a call from a polar bear.Logical formLearned from13 sentences. A cow may have a beef with a bear.Logical formLearned from13 sentences. A den may pertain-to a bear.Logical formLearned from13 sentences. A bear can be known.Logical formLearned from13 sentences. Polar bears may die.Logical formLearned from13 sentences. Russian bear may go for a jugular.Logical formLearned from13 sentences. A person may make bears.Logical formLearned from13 sentences. A person may like polar bears.Logical formLearned from13 sentences. A bear can be in mind.Logical formLearned from13 sentences. A person may be eaten by a bear.Logical formLearned from13 sentences.