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