040000 tree 0d7a023478f8481eeb95275a7ccad475a858862d	classification
040000 tree e1fdb4ad190295489966f499e3deeb1682ca9e65	hot-resource
040000 tree babc5aca1bfd08a41b07ebfad99cd575a00cc174	recommend
040000 tree 790b499e90b7d8c3718b63a424ce2715517ab558	resource-detail