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