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