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