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