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