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