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