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