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