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