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