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