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