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