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