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