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