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