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