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