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