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