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