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