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