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