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