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