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