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