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