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