sewing machine singer heavy
[{'entity': 'CORE_PRODUCT_TYPE', 'value': 'sewing machine', 'span': [0, 14]}, {'entity': 'BRAND', 'value': 'singer', 'span': [15, 21]}, {'entity': 'ATTRIBUTE', 'value': 'heavy', 'span': [22, 27]}]
sewing machine singer heavy