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