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