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