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