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