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