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