black diamond trail ergo cork trekking poles
[{'entity': 'BRAND', 'value': 'black diamond', 'span': [0, 13]}, {'entity': 'PRODUCT_NAME', 'value': 'trail ergo', 'span': [14, 24]}, {'entity': 'MATERIAL', 'value': 'cork', 'span': [25, 29]}, {'entity': 'CORE_PRODUCT_TYPE', 'value': 'trekking poles', 'span': [30, 44]}]
black diamond trail ergo cork trekking poles