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