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