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