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