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