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