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