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