Question: who turns into a bear in the hobbit
[{'answer': 'Beorn', 'provenance': [{'wikipedia_id': '58102', 'title': 'Beorn', 'start_paragraph_id': 0, 'start_character': 0, 'end_paragraph_id': 0, 'end_character': 5, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '58102', 'title': 'Beorn', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 203, 'bleu_score': 0.6622037990947911, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 16194055171698600464}, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '9378946', 'title': 'The Hobbit (2003 video game)', 'section': 'Section::::Plot.\n', 'start_paragraph_id': 16, 'end_paragraph_id': 16, 'meta': {'evidence_span': ['After Gandalf sends Bilbo to Bard\'s unit, Bilbo meets Lianna, who tells him he must find Beorn (Michael Gough), a "skin changer" currently in the form of a bear, as Beorn is the only one who can defeat Bolg', 'wargs, led by Bolg. Thorin agrees to join with Bard and Thranduil as the Battle of the Five Armies begins. After Gandalf sends Bilbo to Bard\'s unit, Bilbo meets Lianna, who tells him he must find Beorn (Michael Gough), a "skin changer" currently in the form of a bear, as Beorn is the only one who can defeat Bolg. Bilbo does so, and Beorn kills Bolg. The stunned goblin army rally, but as they do an army of eagles appears on the horizon. At this point, Bilbo is knocked unconscious by a rock. He awakens to find the battle over, with the goblins defeated, whilst men, elves and dwarves have united to face any future dangers. However, Thorin has been mortally wounded. On his deathbed, he apologizes to Bilbo, saying he wishes he had lived his own life more like the Hobbit. As Lake-town begins to rebuild from Smaug\'s attack, Bilbo takes two small chests of gold and heads back to the Shire, accompanied by Gandalf.', 'After Gandalf sends Bilbo to Bard\'s unit, Bilbo meets Lianna, who tells him he must find Beorn (Michael Gough), a "skin changer" currently in the form of a bear, as Beorn is the only one who can defeat Bolg.']}}]}, {'provenance': [{'wikipedia_id': '58102', 'title': 'Beorn', 'section': 'Section::::Abstract.', 'start_paragraph_id': 1, 'end_paragraph_id': 1, 'meta': {'evidence_span': ['He appears in "The Hobbit" as a "skin-changer", a man who could assume the form of a great black bear.', 'Beorn is a fictional character created by J. R. R. Tolkien, and part of his Middle-earth legendarium. He appears in "The Hobbit" as a "skin-changer", a man who could assume the form of a great black bear.', 'Beorn is a fictional character created by J. R. R. Tolkien, and part of his Middle-earth legendarium. He appears in "The Hobbit" as a "skin-changer", a man who could assume the form of a great black bear.']}}]}, {'provenance': [{'wikipedia_id': '58102', 'title': 'Beorn', 'section': 'Section::::Appearances.:"The Hobbit".\n', 'start_paragraph_id': 4, 'end_paragraph_id': 4, 'meta': {'evidence_span': ['He appears in "The Hobbit" as a "skin-changer", a man who could assume the form of a great black bear.', 'Beorn is a fictional character created by J. R. R. Tolkien, and part of his Middle-earth legendarium. He appears in "The Hobbit" as a "skin-changer", a man who could assume the form of a great black bear. The Man named Beorn lived in a wooden house on his pasture-lands between the Misty Mountains and Mirkwood, to the east of the Anduin. His household included an animal retinue (horses, dogs, sheep, and cows, among others); according to Gandalf, Beorn "does not eat them; neither does he hunt or eat wild animals".. He grew large areas of clover for his bees, who made his famous honey.', 'Beorn is a fictional character created by J. R. R. Tolkien, and part of his Middle-earth legendarium. He appears in "The Hobbit" as a "skin-changer", a man who could assume the form of a great black bear.']}}]}, {'provenance': [{'wikipedia_id': '59584', 'title': 'Bilbo Baggins', 'section': 'Section::::Appearances.:"The Hobbit".\n', 'start_paragraph_id': 5, 'end_paragraph_id': 5, 'meta': {'evidence_span': ['During his journey, Bilbo encountered other fantastic creatures, including Trolls, Elves, giant spiders, Beorn (a man who could change into a bear), Goblins, Eagles, Warg, and a murderous creature named Gollum.', 'Beorn (a man who could change into a bear), Goblins, Eagles, Warg, and a murderous creature named Gollum.']}}]}]