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