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