shop for diamond engagement ring online
[{'entity': 'MATERIAL', 'value': 'diamond', 'span': [9, 16]}, {'entity': 'CORE_PRODUCT_TYPE', 'value': 'engagement ring', 'span': [17, 32]}, {'entity': 'ATTRIBUTE', 'value': 'online', 'span': [33, 39]}]
shop for diamond engagement ring online