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