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