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