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