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