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