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