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