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