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