Quiz on קידושין נו

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  1. One buys an animal במעות מעשר שני if it is בשוגג what happens?
    1.   Sale is undone.
    2.   Sale is undone. He pays an extra 5th to the seller.
    3.   Gives extra 5th to Hekdesh.
    4.   Brings the animal as a Shelamim.
    5.   Machlokes all of the above.