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