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