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