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