Brands:
  - Brand 1
  - Brand 2
  - Brand 3

Product Types:
  - Glasses
  - Sunglasses
  - Contact Lenses
  - Accessories

"Node1", "Glasses", "Brand 1"
"Node2", "Glasses", "Brand 2"
"Node3", "Sunglasses", "Brand 1"
"Node4", "Sunglasses", "Brand 2"
"Node5", "Sunglasses", "Brand 3"
"Node6", "Contact Lenses", "Brand 3"
and so on