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