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