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