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