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