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