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