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