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