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