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