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