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