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