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