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