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