cheap noise-cancelling earbuds
[{'entity': 'PRICE_TERM', 'value': 'cheap', 'span': [0, 5]}, {'entity': 'ATTRIBUTE', 'value': 'noise-cancelling', 'span': [6, 22]}, {'entity': 'CORE_PRODUCT_TYPE', 'value': 'earbuds', 'span': [23, 30]}]
cheap noise-cancelling earbuds