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