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