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