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