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