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