Necktie and bicycle: what they have in common
- Step 1. Necktie — is made of — Silk. Silk.
- Step 2. Silk — is material for — Umbrella. The canopy is made of silk.
- Step 3. Umbrella — has part — Spoke. Ribs hold the canopy.
- Step 4. Spoke — is part of — Bicycle wheel. Spokes are tensioned between the rim and the hub and carry the load.
- Step 5. Bicycle wheel — is part of — Bicycle. Two wheels: the front one steers, the rear one drives.