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