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