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