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