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