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