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