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', 'blue', 'red', 'white']. Hint: three colors are in the secret code but in the wrong positions.
Guess: ['blue', 'purple', 'blue', 'yellow']. Hint: one color is in the correct position.
Guess: ['blue', 'red', 'white', 'black']. Hint: one color is in the correct position and two colors are in the secret code but in the wrong position.
Guess: ['white', 'red', 'blue', 'red']. Hint: two colors are in the secret code but in the wrong positions.
A B C D
yellow, purple, white, yellow red, black, white, yellow red, white, purple, purple yellow, black, yellow, yellow