how to get senior discount on Amtrak tickets
[{'entity': 'DEPARTMENT', 'value': 'senior', 'span': [11, 17]}, {'entity': 'DISCOUNT', 'value': 'discount', 'span': [18, 26]}, {'entity': 'BRAND', 'value': 'Amtrak', 'span': [30, 36]}, {'entity': 'CORE_PRODUCT_TYPE', 'value': 'tickets', 'span': [37, 44]}]
how to get senior discount on Amtrak tickets