Your goal is to find the secret four-color code. The following colors are possible: brown, black, pink, white, blue, red.
Some guesses have already been made. I will provide feedback for each guess made with which it is possible to unambigiously determine the secret code.

Previous Guesses:
Guess: ['pink', 'blue', 'brown', 'white']. Hint: two colors are in the secret code but in the wrong positions.
Guess: ['brown', 'black', 'black', 'blue']. Hint: three colors are in the correct positions.
Guess: ['brown', 'brown', 'black', 'red']. Hint: one color is in the correct position and two colors are in the secret code but in the wrong position.
A B C D
pink, red, pink, brown pink, pink, black, blue pink, blue, red, blue brown, black, red, blue