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