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