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