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