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