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