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