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