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