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