Por la compra de 3 unidades iguales o combinadas de los siguientes artículos, GRATIS el de menor importe

{ "offers": [ { "sales_reference": "001055752103709 ", "seller": { "identifier": "001" } }, { "sales_reference": "001055752101000 ", "seller": { "identifier": "001" } }, { "sales_reference": "001055752104855 ", "seller": { "identifier": "001" } }, { "sales_reference": "001055752105183 ", "seller": { "identifier": "001" } }, { "sales_reference": "001055752104228 ", "seller": { "identifier": "001" } }, { "sales_reference": "001055752101091 ", "seller": { "identifier": "001" } }, { "sales_reference": "001055752104038 ", "seller": { "identifier": "001" } }, { "sales_reference": "001055752102271 ", "seller": { "identifier": "001" } }, { "sales_reference": "001055752105191 ", "seller": { "identifier": "001" } }, { "sales_reference": "001055752600142 ", "seller": { "identifier": "001" } }, { "sales_reference": "001055752105464 ", "seller": { "identifier": "001" } }, { "sales_reference": "001055752105472 ", "seller": { "identifier": "001" } } ], "subsite": { "identifier": "supermarketHipercorStore", "parent": { "identifier": "supermarket" } }, "query_params": { "centers": { "home_delivery": "0130" }, "is_full_documentation": false, "is_include_offer_availability": true }, "query_list_get_method": "001055752103709___,001055752101000___,001055752104855___,001055752105183___,001055752104228___,001055752101091___,001055752104038___,001055752102271___,001055752105191___,001055752600142___,001055752105464___,001055752105472___", "delivery_get_method": { "delivery_type": "home_delivery", "center_id": "0130" } }