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