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