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Which is heavier?
Which is heavier?
Which is lighter?
Which is lighter?
Which is lighter?
Which is lighter?
Which is lighter?
Which is lighter?
Which is heavier?
Which is heavier?
Which is heavier?
Which is heavier?
Which is heavier?
Which is heavier?
Which is heavier?
Which is heavier?
Which is heavier?
Which is heavier?