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