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