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