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