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