│ │ └ Lamb (lamb, mutton)
│ │ └ Western liquor
│ │    └ rum
│ └ fruit
│    └ plum
│    └ Music (Teaching Tunes)
│ └ men's fashion
│    └ Men's Bags
│       └ drum bag
│ └ Printers, MFPs
│       └ drum unit
│ ├ automobile
│ │ └ brake
│ │    └ drum cover
│ └ motorcycle
│    └ Brake Parts
│       └ drum brake
├ sport
│    └ drum bag
      │ └ electronic drum
      ├ drum
      │ ├ bass drum
      │ ├ floor tom
      │ ├ tam-tam
      │ ├ marching drum
      │ ├ cymbals
      │ ├ electronic drum
      │ ├ twin pedal
      │ ├ drum stool
      │ ├ drumhead
      │ ├ drumstick
      │ └ Other drum-related products
      └ teaching instrument
         └ marching drum
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