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