On the first day of Christmas, Calvin gave to me

A Partridge in a Pear Tree.

From a deck of 52 cards, you draw 2 cards (without replacement). Given that the first card is a 3, what is the probability that you get a pair of threes (pear tree)?

(1) $$\frac{1}{221}$$
(2) $$\frac{4}{52}$$
(3) $$\frac{3}{51}$$
(4) $$\frac{13}{52}$$

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