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