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