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