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