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