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