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