# number of nodes
7
# end

# root
7
# end

# left-right order should be retained
# nodes (node#, name, label, instances)
1, "selHouseType", "", "Resale Homes, New Homes, Apartments"
2, "selState", "State", "Alabama, Alaska, Arizona, Arkansas, California, Colorado, Connecticut, Delaware, District of Columbia, Florida, Georgia, Hawaii, Idaho, Illinois, Indiana, Iowa, Kansas, Kentucky, Louisiana, Maine, Maryland, Massachusetts, Michigan, Minnesota, Mississippi, Missouri, Montana, Nebraska, Nevada, New Hampshire, New Jersey, New Mexico, New York, North Carolina, North Dakota, Ohio, Oklahoma, Oregon, Pennsylvania, Rhode Island, South Carolina, South Dakota, Tennessee, Texas, Utah, Vermont, Virginia, Washington, West Virginia, Wisconsin, Wyoming"
3, "selMetro", "City/Metro", "Bloomington - Normal, Champaign-Urbana, Chicago, Devenport - Moline - Rock Island, Kankakee, Peoria - Perkin, Rockford, Saint Louis, Springfield"
4, "selListingType", "Price", "$400 or less, $401 to $500, $501 to $600, $601 to $700, $701 to $800"
5, "selBeds", "Bedrooms", "Beds, Studios, 1+, 2+, 3+, 4+, 5+, 6+"
6, "selBaths", "Baths", "1+, 2+, 3+, 4+, 5+"
7, "", ""
# end

# (level by level top-down, start from root)
# edges 
7-1,2,3,4,5,6
# end