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