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