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