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