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