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