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