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