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Which object is lighter?

 Description: F:\Users\nianglao\AppData\Local\Microsoft\Windows\Temporary Internet Files\Low\Content.IE5\4ULD7JW5\MC900012923[1].WMFDescription: F:\Users\nianglao\AppData\Local\Microsoft\Windows\Temporary Internet Files\Low\Content.IE5\4ULD7JW5\MC900013597[1].WMF

Correct!