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