The taxonomies to filter by are:

const TARGET_TAXONOMIES = [
"After School Meal Programs",
"Child and Adult Care Food Programs",
"Commodity Supplemental Food Program",
"Congregate Meals/Nutrition Sites",
"Food Banks/Food Distribution Warehouses",
"Grocery Ordering Delivery",
"Home Delivered Meals",
"Occasional Emergency Food Assistance",
"Ongoing Emergency Food Assistance",
"Packed Lunches/Dinners",
"School Lunches/Snacks",
"Soup Kitchens",
"WIC Applications/Certification"
]

You can see them in the service object json in the example data as:
},
"taxonomies": [
{
"Code__c": "YL-3300.4500",
"Name": "Low Income",
"Id": "a1p410000022MsNAAU"
},
{
"Code__c": "YV-3000",
"Name": "Homeless People",
"Id": "a1p410000022LjCAAU"
},