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