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