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