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