A gardener is going to plant 2 red rosebushes and 2 white rosebushes.  If the gardener is to select each of the bushes at random, one at a time, and plant them in a row, what is the probability that the 2 rosebushes in the middle of the row will be the red rosebushes?


~$\frac{1}{12}$~

~$\frac{1}{6}$~

~$\frac{1}{5}$~

~$\frac{1}{3}$~

~$\frac{1}{2}$~

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