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