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