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