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