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