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