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