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