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