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