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