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