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