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