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