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