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