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