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