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