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