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