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