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