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