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