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