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