Š¿Žšƒ‚ƒoƒCƒ‹ƒQ[ƒ€
Žc”O
abstract thing =
1. “S
2. ” 
3. ŽŸ
4. Ž–

ƒŒƒxƒ‹3. •ÏX
SDAL“‡‰pŒêŠwZ