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