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