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