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