Question: what type of plastic are cutting boards made from
[{'answer': 'PE ( polyethylene )', 'provenance': [{'wikipedia_id': '554516', 'title': 'Cutting board', 'start_paragraph_id': 12, 'start_character': 34, 'end_paragraph_id': 12, 'end_character': 59, 'bleu_score': 1.0, 'section': 'Section::::Materials.:Plastic.\n'}]}, {'answer': 'or HDPE ( high - density polyethylene plastic )'}, {'provenance': [{'wikipedia_id': '554516', 'title': 'Cutting board', 'start_paragraph_id': 12, 'start_character': 0, 'end_paragraph_id': 12, 'end_character': 312, 'bleu_score': 0.9603762111511761, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 8206471403959244579}, 'section': 'Section::::Materials.:Plastic.\n'}]}]