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