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