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