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