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