Your goal is to find the secret four-color code. The following colors are possible: blue, white, black, pink, purple, brown.
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: ['black', 'blue', 'pink', 'purple']. Hint: two colors are in the secret code but in the wrong positions.
Guess: ['blue', 'white', 'white', 'pink']. Hint: two colors are in the correct positions.
Guess: ['blue', 'white', 'brown', 'black']. Hint: one color is in the correct position and two colors are in the secret code but in the wrong position.
Guess: ['blue', 'black', 'white', 'blue']. Hint: two colors are in the secret code but in the wrong positions.
A B C D
purple, brown, pink, white white, black, white, brown brown, white, black, pink pink, black, brown, black