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