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