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