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