What should be the appropriate punishment for a rape convict?

I would prefer option 4 because, his organs come in handy for the useful and, the world would be free of one criminal.
So, what punishment would you pick for rape convict?
Life Imprisonment
Death Penalty
Removal of Sex Organs
Donating all organs of the convicted to the ones in need.
Others
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What should be the appropriate punishment for a rape convict?
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