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