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