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