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