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