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