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