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