Š¿Žšƒ‚ƒoƒCƒ‹ƒQ[ƒ€
Žc”O
abstract thing =
1.
Ž–
2.
•@
3.
ˆÏ
4.
ŽÒ
ƒŒƒxƒ‹3.
•ÏX
SDAL“‡‰pŒêŠwZ